|
|
Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
You are viewing a USPC Schedule. |
Class 399 | ELECTROPHOTOGRAPHY |
Click here for a printable version of this file |
1 | COMBINED WITH DIVERSE SUBJECT MATTER |
8 | REMOTE MONITORING |
9 | DIAGNOSTICS |
10 | Log report |
11 | Service mode |
12 | Unit or part identification |
13 | Component present or mounted |
14 | Unacceptable copy coverage |
15 | By inspection of copied image |
16 | Document handling |
24 | Consumable |
31 | Image forming component |
33 | Fixing (e.g., over-temperature protection) |
34 | Cleaning |
36 | Of motive power or driven unit |
37 | Power supply |
38 | CONTROL OF ELECTROPHOTOGRAPHY PROCESS |
39 | Color balance |
42 | Artificial intelligence |
43 | Responsive to number of copies or passage of time |
44 | Having temperature or humidity detection |
45 | Responsive to copy media characteristic |
46 | Of plural processes |
47 | Having detection of exposure light |
48 | Having detection of photoconductor potential |
49 | Having detection of toner (e.g., patch) |
50 | Control of charging |
51 | Control of exposure |
53 | Control of developing |
66 | Control of transfer |
67 | Control of fixing |
71 | Control of cleaning |
72 | Forming test image |
73 | Electrometer detail |
74 | Densitometer detail |
75 | MACHINE OPERATION |
76 | Sequential control |
79 | Accounting |
81 | Operator interface (e.g., display control panel) |
82 | Job mode |
88 | Having power supply |
90 | Electrical connection |
91 | INTERNAL MACHINE ENVIRONMENT |
107 | HAVING PARTICULAR STRUCTURE |
108 | Portable |
109 | Remanufacturing |
110 | Modular or displaceable |
111 | Process cartridge unit |
115 | Charging unit |
116 | Photoconductive member |
118 | Optics |
119 | Developing unit |
121 | Transfer unit |
122 | Fixing unit |
123 | Cleaning unit |
124 | Paper path access |
125 | Clamshell type |
126 | Adjustment |
127 | SUPPLEMENTAL ELECTROPHOTOGRAPHIC PROCESS |
130 | IMAGE FORMATION |
131 | Photoelectrophoretic |
132 | Thermoplastic deformation |
133 | Having layer separation (e.g., manifold imaging) |
134 | Having photoconductive toner |
135 | Ion modulation (e.g., screen) |
136 | Simultaneously with charge transfer |
137 | Optical intermediate storage of original image |
138 | Operator adjusted density |
139 | Formation of master, photocopy-printer |
140 | To produce microimage |
143 | Selectively positive or negative |
144 | Reader-printer |
145 | Plural copies from same latent image |
146 | Contact exposure |
147 | Having overlayer |
148 | Combined or plural functions by single component |
151 | Combined with scanning |
152 | Simultaneous exposure and development |
153 | Simultaneous charging and exposure |
154 | Having transfer of latent image |
155 | Having reciprocating imaging member |
156 | Having modification of latent image |
158 | Display of developed image |
159 | Photoconductive member |
168 | Charging |
177 | Exposure |
178 | Formation of color separation images |
181 | Halftone image |
182 | Having image editing |
193 | Binding offset |
194 | Composite |
195 | Generating paper feed signal |
196 | Variable magnification |
203 | Selective or convertible |
204 | Two-up copying |
205 | Having reference position (relative positioning) |
206 | Slit exposure |
207 | Diaphragm, shutter, shading board |
208 | Speed or acceleration control |
209 | Variable scanning (e.g., length) |
210 | Damping or braking |
211 | Scanning carriage parallel to original |
213 | Movable platen |
215 | By conveying original |
216 | By pivoting mirror |
217 | Full frame exposure (entire original at once) |
218 | Lens |
219 | Fiber optics |
220 | Light source |
222 | Development |
223 | Plural diverse (e.g., color) |
224 | Adding toner |
225 | Single applicator |
226 | Plural applicators single position |
228 | Selectively active |
231 | Toner images overlapped |
233 | Liquid |
234 | Development prevention |
236 | Applicator speed |
237 | Liquid development |
238 | Having dispensing |
239 | Application member (e.g., roller, belt) |
241 | Having electrode |
246 | Sprayed |
248 | Immersion |
249 | Removing excess developer (e.g., squeegee) |
250 | Liquid carrier condensation |
251 | Drying (e.g., warming, heating) |
252 | Dry development |
253 | Conditioning of toner |
254 | Mixing |
257 | Purging |
258 | Supplying new toner |
259 | Diverse (e.g., carrier and toner) |
260 | Metering (regulating, gate, discharge ports) |
261 | Vibration |
262 | Cartridge |
264 | Removing excess developer |
265 | Application member |
266 | Having cloud-forming application |
267 | Magnetic brush |
268 | Having sheet guide |
269 | Plural |
270 | Having applied bias |
272 | Loading |
273 | Unloading (e.g., scraper) |
274 | Regulating (e.g., doctor) |
276 | Sleeve |
277 | Magnet |
279 | Roller |
280 | Having concentric film |
281 | Loading |
283 | Unloading (e.g., scraper) |
284 | Regulating (e.g., doctor) |
285 | Having applied bias |
286 | Details |
287 | Fiber brush |
288 | Web or belt |
289 | Having field curtain |
290 | Powder cloud |
292 | Fluidized bed |
294 | Cascade |
296 | Treatment of developed image prior to transfer |
297 | Transfer |
298 | Color |
299 | From plural photoconductive members (e.g., drums) |
300 | From multiple positions |
301 | Registration |
302 | By intermediate transfer member |
303 | Copy medium carrier (e.g., drum or belt) |
306 | From plural photoconductive members (e.g., duplex) |
307 | Having simultaneous fixing |
308 | By intermediate transfer member |
310 | Electrostatic |
311 | Corona |
313 | Roller or belt |
314 | Having applied bias |
315 | Having discharger (e.g., separation) |
316 | Having copy medium guide |
318 | By pressure |
319 | Vibration |
320 | Fixing (e.g., fusing) |
343 | CLEANING OF IMAGING SURFACE |
344 | Color |
345 | Retractable cleaning arrangement |
346 | Including lubricant |
347 | Abrasion or film removal |
348 | Removing liquid developer |
349 | Plural diverse |
350 | Blade |
352 | Web |
353 | Fibrous brush |
356 | Magnetic |
357 | Roller |
358 | Having handling of removed material |
361 | DOCUMENT HANDLING |
362 | Book copying |
363 | Original and copy |
365 | Original |
366 | Unauthorized copy prevention |
367 | Automatic document feeder |
368 | Plural originals simultaneously |
369 | Plural document holders |
370 | Having size detection |
371 | Having position detection |
372 | Registration |
373 | Recirculating |
374 | Copying both sides of original |
375 | For continuous or fanfold paper |
376 | Having detection of size |
377 | Holder |
381 | Copy |
382 | Interleaving (e.g., cover or partitioning sheet) |
383 | Plural copies (from same original) |
384 | Continuous (e.g., roll, fanfold) |
388 | Feeding to transfer position |
389 | Having detection of size or type |
390 | Having treatment of copy medium |
391 | Plural copy medium sources |
393 | Copy medium input tray |
394 | In registration with image |
397 | Delivering from transfer position |
411 | MISCELLANEOUS |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This page is produced by the Office of Classification Support (Office of Patent Classification) for the Reference Tools Project.
Please send questions and comments to usptoinfo@uspto.gov .
Note: The Patent and Trademark Depository Library Program (PTDLP) administers a nationwide network of public, state and academic libraries designated as Patent and Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate Patent and Trademark Information Support Diverse Intellectual Property Needs of the Public. PTDL Contact Information
Note: For information/comments on electronic information products, such as purchasing USPTO data, or to discuss system requirements for magnetic tape products, contact:
Information Products Division -- U.S. Patent and Trademark Office
Information Products Division
Contact Information
Or, browse
their on-line catalog.
The Inventors Assistance Center is available to help you on patent matters.Send questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the webmaster@uspto.gov. While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website. |
|