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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 313 | ELECTRIC LAMP AND DISCHARGE DEVICES |
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1 | PLURAL UNIT |
7 | WITH EVACUATING PUMP |
8 | ARC AND SEPARATE INCANDESCENT BODY |
9 | FILAMENT AND SEPARATE INCANDESCENT BODY |
10 | WITH TEMPERATURE INDICATOR |
11 | WITH TEMPERATURE MODIFIER |
11.5 | Spark plug type |
12 | Recirculating systems |
13 | Having control means for the temperature modifier |
14 | Pyroelectric type device |
15 | Electric heater |
17 | Double wall, jacket or casing for envelope |
18 | For conductive envelope devices |
19 | With plural electrode temperature modifying |
20 | With internal temperature modifying baffle |
21 | Cylindrical electrode type envelope |
22 | Fluid circulation type |
25 | Sealed casing for envelope |
27 | Heat conserving or insulating type |
28 | Plural electrode temperature modifying |
29 | For liquid electrode |
30 | Hollow electrode or lead |
33 | Envelope with internal temperature modifying baffle |
34 | Envelope with condensing chamber or surface |
35 | Using liquids or fluid flow directing means |
37 | For filament or heated cathode |
39 | For electrode within an envelope |
42 | Mounted on lead-in or electrode support |
43 | For lead-in-seal or stem protection |
44 | For envelope wall |
45 | Radiating type surface |
46 | Having heat conducting path |
47 | Heat conserving or insulating type |
48 | WITH HANDLE |
49 | WITH DETACHABLE ELECTRICAL CONNECTOR OR SUPPORT |
52 | CONVERTIBLE |
53 | FLAME OR EXPLOSION TYPE |
54 | WITH RADIOACTIVE MATERIAL |
62 | CYCLOTRONS |
359.1 | WITH POSITIVE OR NEGATIVE ION ACCELERATION |
360.1 | Plural apertured electrodes |
361.1 | Means for deflecting or focusing |
362.1 | Supplying ionizable material (e.g., gas or vapor) |
363.1 | Extraction or target electrode |
364 | CATHODE RAY TUBE |
365 | Image pickup tube |
366 | Semiconductor depletion layer type |
369 | Mechanically responsive (e.g., sound) |
370 | Particular transparent conductor |
371 | With optical element |
373 | With photoemissive cathode |
374 | Mosaic |
375 | Plural photoemissive layers |
376 | With target |
379 | Secondary electron emissive |
380 | Special ray sensitive |
381 | Image dissector |
382 | Focusing |
383 | Electrode or electrode support |
384 | Photoconductive |
391 | Storage |
392 | Depletion layer type storage element |
393 | Double ended |
394 | Continuous storage element |
395 | Foraminous storage element |
396 | With non-beaming gun |
397 | With display |
399 | Secondary emissive electrode |
402 | Shadow mask, support or shield |
409 | Plural beam generating or control |
410 | With character forming electrode |
411 | One cathode source of plural beams |
412 | Convergence |
413 | With deflection |
414 | With focusing and accelerating electrodes |
415 | With screen |
417 | With electrode support |
418 | Signal translating output electrode |
420 | Electron permeable window |
421 | Beam deflecting means |
422 | Flat tube type |
423 | Electron reflecting mirror |
424 | Ion trap |
425 | Centering |
426 | Plural |
427 | Three or more |
432 | Electrostatic |
439 | Electrostatic |
440 | With yoke |
441 | Ray generating or control |
442 | With magnetic focus |
444 | Sandwiched electrodes |
445 | Canted electrode (i.e., ion trap) |
446 | Including cathode assembly |
456 | With support for electrode |
458 | Electrode |
461 | Screen |
462 | Scale or graticule |
463 | Electroluminescent |
464 | Incandescent type |
465 | Light valve type |
466 | Nonluminescent layer |
467 | Phosphor composition |
470 | Mosaic |
473 | Plural layer type |
474 | With optics |
476 | Support |
477R | Envelope |
93 | GEIGER-MUELLER TYPE |
523 | PHOTOSENSITIVE |
524 | With optical device |
525 | Having phosphor screen |
526 | Proximity focus type |
527 | Photocathode responsive to phosphor |
528 | With electron multiplier |
529 | With control electrode |
530 | With photocathode on envelope |
531 | Having plural photosensitive electrodes |
532 | Photomultiplier |
537 | Having a control electrode |
538 | Gas phototube |
539 | Responsive to ultraviolet radiation |
540 | Having plural anodes or cathodes |
541 | Having photocathode on tube wall |
542 | Photocathode |
103R | Secondary emitter type (e.g., electron multiplier) |
104 | Plural secondary emissive electrodes |
106 | SECONDARY EMISSION PREVENTION |
107.5 | VARIABLE WIDTH ELECTRON STREAM (E.G., MAGIC EYE) |
483 | WITH LUMINESCENT SOLID OR LIQUID MATERIAL |
484 | With gaseous discharge medium |
494 | Coplanar electrodes |
495 | Vacuum-type tube |
498 | Solid-state type |
513 | WITH CHARACTER DISPLAY (E.G., DIGITS OR LETTERS) |
514 | Gaseous discharge medium |
515 | With character-shaped envelope |
516 | Electrode with character-shaped aperture |
517 | With electrode display segments |
520 | With integrant display electrode |
522 | Incandescent filament display |
110 | WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE |
111 | Plural diverse optical devices |
112 | Polarizer or special ray transmission (e.g., filter) |
113 | Reflector |
116 | Light diffusing |
117 | Light valve or obscuring means |
118 | SPARK PLUGS |
119 | Sealing-off valve for electrode chamber |
120 | With fluid feed or air vent |
121 | Reversible (e.g., part) |
122 | Removable electrode on shell |
123 | Plural series gaps |
125 | Movable electrode (e.g., for cleaning, adjustable) |
127 | Cleaner (e.g., movable scraper) |
128 | Plural insulated electrodes with individual lead-in |
129 | With transparent part |
130 | Non-conducting material in or adjacent gap (e.g., restricts spark) |
132 | Capillary groove or space |
133 | Ball electrode |
134 | With radio shielding |
135 | With particular connector structure |
136 | Plural part center electrode lead-in |
137 | Plural part insulating means |
138 | Electrodes are pure figures of revolution about plug axis |
139 | Ring or disk electrode (e.g., sector) |
140 | Plural parallel gaps (e.g., main and standby, serrated electrode) |
141 | Particular electrode structure or spacing |
143 | Shaped electrode chamber, insulator end, shell skirt, baffle or gas directing means |
144 | With specific joint structure |
146 | WITH MOVABLE ELECTRODE OR SHIELD |
147 | Plural |
148 | Movable envelope wall |
149 | Rotary |
150 | Movable liquid electrode |
151 | Thermal actuator |
152 | Magnetic actuator |
153 | WITH MAGNETIC DEVICE |
154 | For generating plural fields |
155 | Electrode generates field |
156 | Field transverse to discharge |
160 | With envelope |
163 | LIQUID ELECTRODE DISCHARGE DEVICES |
164 | Shock absorber for liquid |
165 | Plural liquid electrodes |
166 | Starting band or external electrode |
167 | Apertured electrode (e.g., grid) interposed in discharge space |
168 | Plural anodes in separate envelope chambers |
169 | Plural anodes with anode arc shield |
170 | Auxiliary starting or holding electrode |
172 | Liquid in contact with plural electrodes |
173 | Cathode spot anchoring |
545 | HAVING VALVE WITH GETTER, GAS/VAPOR GENERATING MATERIAL OR PRESSURE CONTROL MEANS |
546 | WITH FRANGIBLE CAPSULE CONTAINING GETTER, GAS OR VAPOR GENERATING MATERIAL |
547 | HAVING HEATING MEANS TO CONTROL GAS/VAPOR, GAS OR VAPOR GENERATING MEANS, OR GETTER MEANS |
548 | Incandescent lamp gettering |
549 | Discharge device gettering |
550 | Vapor generating |
551 | Gas generating |
552 | HAVING PRESSURE CONTROL OF GAS OR VAPOR |
553 | WITH GETTER |
554 | Plural |
556 | And vapor generator |
557 | Incandescent lamp type |
558 | Electrode includes getter, supports getter, or is connected to getter |
559 | Mounted on electrode support |
560 | With structure to direct or shield from getter |
561 | With contained getter |
562 | Gas or vapor device type |
563 | HAVING GAS GENERATING MATERIAL |
564 | HAVING VAPOR GENERATING MATERIAL |
567 | WITH GAS OR VAPOR |
568 | Having a particular total or partial pressure |
578 | Incandescent filament lamp |
581 | Three or more electrode discharge device |
582 | Multiple gaseous discharge display panel |
588 | Amplifier, cathanode, or ionic cathode |
589 | Counter, indicator, or switching tube |
590 | With shield to prevent discharge between electrodes |
591 | Having cathode heater |
594 | Start electrode exterior to envelope |
595 | Internal start or control electrode between discharge electrodes |
601 | Start electrode not in main discharge path |
604 | Plural serial electrodes |
605 | Mean free-path spacing of envelope portions or content parts |
607 | Having electrode exterior to envelope |
608 | Single electrode type discharge device, or including particulate material |
609 | Having baffle, partition, or constricting means affecting discharge |
613 | Having electrode shield |
617 | Having spur electrode |
618 | Having hollow cathode |
619 | Negative or cathode glow device |
620 | Having specified electrode spacing |
621 | Having electrodes with geometrical relationship |
622 | Discharge device with diverse electrodes |
623 | Having electrode lead-in or electrode support sealed to envelope |
626 | Having lead-in shield |
627 | Having electrode heated by space discharge current |
629 | Having resistance heated cathode |
630 | Having electrode of alkali, alkaline or rare earth material |
631 | Having particular electrode structure |
633 | Electrode composition |
634 | Envelope with particular structure |
636 | Envelope composition |
637 | With particular gas or vapor |
230 | DISCHARGE DEVICE WITH POSITIVE ION EMITTER |
231.01 | FLUENT MATERIAL SUPPLY OR FLOW DIRECTING MEANS |
231.11 | Lightning or surge arrester |
231.31 | Plasma |
231.71 | Arc discharge lamp or radiation source |
232 | ELECTRODES IMMERSED IN LIQUID |
233 | INVOLVING PARTICULAR DEGREE OF VACUUM |
234 | ELECTRODE EXTERIOR TO ENVELOPE |
235 | IMPERFECT ELECTRICAL CONTACT BETWEEN ELECTRODES |
236 | STAND-BY ELECTRODE TYPE (WITH SPARE ELECTRODE) |
237 | WITH ELECTRODE REPLACEMENT MEANS OR DEMOUNTABLE |
238 | WITH SUPPORT AND/OR SPACING STRUCTURE FOR ELECTRODE AND/OR SHIELD |
239 | For shield |
240 | Shield supported by electrode, electrode support, or spacer |
242 | Shield supported by or forming part of envelope stem |
243 | For plural electrodes of discharge device |
244 | Envelope supports or forms electrode |
245 | Plural discharge spaces formed by three or more electrodes |
246 | Electrode forms part of envelope |
248 | Conductive envelope supports plural electrodes |
249 | Elongated envelope with electrodes spaced along length |
250 | With spacer between electrodes or electrode supports |
251 | Plural electrodes supported along the length of a wire, rod, or tube |
252 | Support structure supported by the envelope |
253 | At spaced or opposed portions of envelope |
254 | At three or more portions of envelope |
255 | Same electrode supported by spaced or opposed portions |
256 | Insulating or ceramic support rod or tube |
257 | With spacer between electrode or electrode supports |
258 | Spacer between envelope and support or electrode |
259 | Insulating coating forms spacer |
260 | Plate or bar extending across ends of electrodes |
262 | Ceramic bead for joining parts |
263 | With indirectly heated cathode |
264 | With U-shaped, V-shaped, or plural sections filament |
265 | Apertured electrode (e.g., grid) supported between two other electrodes |
266 | Stem or envelope structure |
267 | Plural rod electrodes |
268 | Insulating spacer between discharge electrodes |
269 | With vibration damping device |
270 | For indirectly heated cathode |
271 | For filament |
272 | Plural filaments |
273 | Plural section filament |
274 | Supports supported by opposed parts of envelope |
275 | Insulator supports filament |
276 | Conductive member supports insulator |
277 | Insulating standard supports filament brackets or anchors |
278 | Tension device for filament |
279 | Support intermediate of filament ends |
281 | Support mounted in or around aperture in conductive wall or plate |
282 | Conductive envelope supports electrode |
283 | Electrode supported by envelope |
284 | Electrode supporting member supported by envelope |
291 | Electrode formed by coating on envelope |
292 | Supporting and/or spacing elements |
293 | DISCHARGING DEVICES WITH APERTURED ELECTRODE (E.G., GRID) INTERPOSED BETWEEN TWO ELECTRODES |
294 | Non-uniformly spaced from another electrode |
295 | Interposed electrode with non-uniform mesh area (e.g., variable mu) |
296 | Plural interposed apertured electrodes |
297 | Serially arranged |
298 | Plural interelectrode discharge |
299 | Aligned apertures (e.g., beam power) |
300 | Three or more serially arranged |
301 | Plural interelectrode discharge spaces |
302 | Plural cathodes |
303 | Three or more nonemissive electrodes (e.g., plural anodes) |
304 | Plural-parallel-section cathode with electrode surrounding each section |
305 | DISCHARGE HEATED ANODE TYPE (E.G., CATHANODE) |
306 | DISCHARGE DEVICES HAVING THREE OR MORE ELECTRODES |
309 | DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE ELECTRODE |
310 | DISCHARGE DEVICES HAVING A THERMIONIC OR EMISSIVE CATHODE |
311 | DISCHARGE DEVICES HAVING AN ELECTRODE OF PARTICULAR MATERIAL |
312 | WITH CASING OF JACKET FOR ENVELOPE |
313 | WITH ELECTRICAL SHIELD OR STATIC CHARGE DISTRIBUTION MEANS |
314 | NONREPAIRABLE |
315 | INCANDESCENT LAMPS |
317 | WITH ENVELOPE |
318.01 | Having base and connector |
318.02 | Secure to each end of a double-ended or tubular envelope |
318.03 | Having an annular contact disposed concentrically about the longitudinal axis of the envelope |
318.05 | Having spaced, longitudinally engaging, pronglike contacts |
318.06 | Having three or more electrical contacts |
318.07 | Associated with pinch (or press) seal of envelope |
318.08 | Base attached to the envelope with cement or adhesive |
318.09 | Base attached to the envelope with friction or other mechanical means |
318.11 | Having a reflector in combination with base |
318.12 | Having a connector |
323 | COMBINED |
325 | MISCELLANEOUS DISCHARGE DEVICES |
326 | ELECTRODE AND SHIELD STRUCTURES |
327 | Self-baking electrodes (e.g., Soederberg) |
328 | Liquid electrode container |
329 | Mosaic electrodes |
331 | With lead wire or connector |
332 | Inserted section or material |
333 | Filament or wire shield or electrode |
334 | Nonmetallic electrode or shield |
335 | Rod electrode or shield |
336 | Point source cathodes |
337 | Indirectly heated cathodes |
338 | Plural separate cathode sections |
339 | Interior emissive hollow cathodes |
340 | Insulating material between heater and cathode |
341 | Filament or resistance heated electrodes |
346R | Cathodes containing and/or coated with electron emissive material |
347 | Incandescible upon electron bombardment |
348 | Foraminous electrodes (e.g., grids) or shields |
349 | Nonuniform mesh area or nonstraight electrodes or nonuniform cross sectional area electrodes |
350 | Rods, wire, or mesh supported on rod or post |
351 | Multipointed or serrated edge electrode |
352 | Composite electrodes or shields |
356 | Tubular or hollow sleeve |
357 | Rods |
358 | MISCELLANEOUS (E.G., ELECTROLYTIC LIGHT SOURCE) |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
DIGESTS | ||
DIG7 | BOMBARDMENT INDUCED CONDUCTIVITY |
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