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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 152 | RESILIENT TIRES AND WHEELS |
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1 | SPRING WHEELS |
2 | With lubrication |
5 | Deformable ground engaging part |
6 | With plural spring types |
7 | With rubber spring |
8 | With pneumatic spring |
11 | With leaf spring |
13 | With coil spring |
17 | Spring encircling rigid annulus |
18 | With nonresilient overload stop |
19 | Convertible to rigid wheel |
20 | With flexible annular support |
21 | Lateral thrust or tension |
28 | Combined spring and friction |
29 | With plural spring types |
30 | Rubber and pneumatic |
31 | Rubber and leaf |
32 | Rubber and coil |
34 | Pneumatic and leaf |
35 | Pneumatic and coil |
37 | Leaf and coil |
40 | Rubber spring |
53 | Pneumatic spring |
69 | Leaf spring |
70 | With braces |
71 | Link connected |
72 | Variously arranged |
73 | Cylindrical units |
74 | Transverse |
75 | Straight, radial or tangential |
76 | Center secured |
80 | End secured |
87 | Coil spring |
151 | TIRES, RESILIENT |
152 | Emergency |
152.1 | With electrical conducting means |
153 | With cooling devices |
154 | With splash guards |
154.1 | With balancing feature |
154.2 | With wear indicating feature |
155 | Cushion and pneumatic combined |
Armored |
167 | Anti-skid |
185 | External |
192 | Single tube tires internal |
195 | Inner tube construction |
196 | Casing construction |
203 | Interliners |
208 | Anti-skid devices |
209.1 | Tread |
209.2 | For controlling noise by varying design cycle (e.g., specified pitch ratio, pitch sequence, etc.) |
209.3 | Having varying tread characteristic (e.g., groove depth, groove angle, etc.) other than design cycle |
209.4 | Containing randomly dispersed short fibers or anti-skid granules |
209.5 | Having tread sections (e.g., base-cap, etc.) containing different specified physio-chemical properties (e.g., hysteresis, modulus, hardness, etc.) or compositions |
209.8 | Having asymmetric tread pattern |
209.11 | For sidewall-running tires (e.g., unicycle, motorcycle, bicycle, etc.) |
209.12 | Containing lugs having or appearing to have net to gross ratios of less than 35 percent (e.g., farm equipment, tractor tire, etc.) |
209.14 | Having tire tread profile defined by diverse radii of curvature |
209.15 | Characterized by shape of upper surface of tread element (e.g., block with upper convex surface, etc.) |
209.16 | Having specified tread shoulder structure |
209.17 | Having isolated holes or suction cups |
209.18 | Having groove or sipe with specified dimension or structure therewithin |
209.19 | Protrusion from bottom and spaced from both walls (e.g., pebble ejector, etc.) |
209.21 | Protrusion from wall and spaced from the opposite wall |
209.22 | Protrusion bridging between walls (e.g., tie bar, etc.) |
209.23 | Both walls inclined in same direction |
209.24 | Having angle of inclination of one wall different from that of opposite wall |
209.25 | Having grooves or sipes with different specified depths |
209.26 | Having circumferential groove width at least 10% per cent of tread width |
209.27 | Having continuous circumferential narrow width groove (i.e., less than 5mm.) |
209.28 | Having directional two dimensional pattern (e.g., "v" shaped, etc.) |
210 | With embedded anti-skid elements |
213R | Applying and removing devices |
217 | Tighteners |
220 | Plural tire |
221 | Flexible straps or cords |
223 | Combined cross chains and plates or bars |
225R | Plate or bar type |
231 | Cross chain type |
246 | Cushion |
247 | Metallic springs |
248 | Tubular |
251 | Wheel encircling band |
252 | With supporting spring |
267 | Enclosed |
270 | Leaf |
284 | Coil |
300 | Sectional |
301 | Annular |
303 | Superimposed |
304 | With apertured external binders |
305 | Radial bolt secured |
306 | Abutting sections |
310 | Casing enclosed core |
323 | Integral |
450 | Pneumatic tire or inner tube |
451 | Tire cord reinforcement materials, per se |
452 | Cordless tires (e.g., cast tires, etc.) |
453 | Tire characterized by closed annular transverse cross section |
454 | Tire characterized by the dimension or profile of the cross sectional shape |
455 | Asymmetric tire |
457 | Tire foldable in storage or nonuse condition (e.g., collapsible space-saving tire, etc.) |
458 | Tire reinforcement material characterized by short length fibers or the like |
331.1 | Multiple chamber |
332.1 | Cylinder and piston |
333.1 | Transverse walls |
339.1 | Annular chambers |
343.1 | Sectional casings |
500 | With means restricting relative movement between tire and inner tube (e.g., anti-creep feature, etc.) |
501 | With means to protect inner tube from rim |
502 | Automatic sealing of punctures (e.g., self-healing, etc.) |
503 | Using flowable coating or composition |
508 | By compression |
509 | With reinflating means |
510 | Tire characterized by its air impervious liner or inner tube |
513 | With means to protect tire from rim |
514 | Means other than rim closing the tire opening |
516 | With means enabling restricted operation in damaged or deflated condition |
517 | With sidewall insert to facilitate load support in emergency |
518 | Utilizing additional inflatable supports which become load bearing in emergency |
520 | Utilizing additional noninflatable supports which become load supporting in emergency |
521 | Internal lubricating or cooling |
522 | Means facilitating folding between sidewall portions (e.g., run flat sidewalls, etc.) |
523 | Arrangement of grooves or ribs in sidewall |
524 | Having annular inlay or cover on sidewalls (e.g., white sidewalls, etc.) |
525 | Characterized by chemical composition or physical properties of external sidewall materials |
526 | Characterized by belt or breaker structure |
527 | Physical structure of reinforcing cords |
528 | Folded ply structure |
530 | Consisting of only one ply |
531 | Utilizing at least one ply the cords of which run circumferentially (zero degree belt) |
532 | With cushioning or other special rubber ply layer |
533 | Reinforcing plies made up from wound narrow ribbons |
534 | Structure where each bias angle reinforcing cord ply has no opposingly angled ply |
535 | Structure made up of two or more sets of plies wherein the reinforcing cords in one set lie in a different angular position relative to those in other sets |
536 | Structure using multiple reinforcing elements made of differing materials |
537 | Breaker or belt characterized by the chemical composition or physical properties of elastomer or the like |
538 | Breaker or belt characterized by its dimensions or curvature relative to the carcass or any other part of the tire |
539 | Characterized by the structure of the bead portion of the tire |
540 | Structure of inextensible reinforcing member |
541 | Apex or filler strip |
542 | Flipper strips |
543 | Chafer or sealing strips |
544 | Bead contour for engagement with mounting rims (e.g., lips, ribs, or grooves, etc.) |
545 | Multiple bead cores at each terminal edge or tire supporting surface |
546 | Bead characterized by the radial extent of apex, flipper or chafer into tire sidewall |
547 | Bead characterized by the chemical composition and or physical properties of elastomers or the like |
548 | Characterized by the carcass, carcass material, or physical arrangment of the carcass materials |
549 | Cushion means inward of outermost carcass ply |
550 | Carcass ply extends from at least one bead region without being folded about bead rings |
551 | Carcass ply only folded about one bead ring |
552 | Carcass ply turnup structure around bead rings |
553 | Folded from outside to inside of bead core |
554 | Characterized by the extent of the fold up into the sidewall of the tire relative to the other tire dimensions |
555 | Sidewall stiffening or reinforcing means other than main carcass plies or foldups thereof about beads |
556 | Physical structure of reinforcing cords |
557 | With two or more differing cord materials |
558 | Carcass characterized by the reinforcing cords of each carcass ply being arranged substantially parallel |
559 | Reinforcing cords run in opposite directions in successive carcass ply (i.e., bias plies) |
560 | Reinforcing cords of at least one carcass ply extend transversely across the tire from bead to bead (i.e., radial ply) |
562 | Cords curve from bead to bead in plural planes (e.g., S-shaped cord paths, etc.) |
563 | Reinforcing cord of a carcass ply arranged in a crossing relationship within the ply (e.g., woven, braided or knitted plies, etc.) |
564 | Carcass characterized by the chemical composition or physical properties of the elastomers or the like |
565 | Adhesion promoter: rubber to rubber or reinforcement to rubber |
367 | Patches |
375 | Wheel securing means |
376 | Plural tire |
377 | Retracting wheel section |
378R | Integral rims |
379.3 | Interlocking tire and rim |
379.4 | With elongate bead guard |
379.5 | Bead and rim interlock |
380 | Tire embraced rim |
381.3 | Deep channel rim |
382 | Clincher rim |
384 | With anti-creep lugs |
378W | Rim welded to disc |
385 | Axial |
386 | Radial |
388 | With annular tire incorporated clamps |
393 | Reinforced tire base structure |
396 | Separable rim parts |
415 | Inflating devices |
CROSS-REFERENCE ART COLLECTIONS | ||
900 | TREAD PATTERN HAVING NO BLOCKS AND HAVING CIRCUMFERENTIAL RIBS DEFINED BY ZIG-ZAG CIRCUMFERENTIAL GROOVES |
901 | TREAD PATTERN HAVING NO BLOCKS AND HAVING CIRCUMFERENTIAL RIBS DEFINED BY LINEAR CIRCUMFERENTIAL GROOVES HAVING STRAIGHT EDGES |
902 | NON-DIRECTIONAL TREAD PATTERN HAVING NO CIRCUMFERENTIAL RIB AND HAVING BLOCKS DEFINED BY CIRCUMFERENTIAL GROOVES AND TRANSVERSE GROOVES |
903 | NON-DIRECTIONAL TREAD PATTERN HAVING NON-CIRCUMFERENTIAL TRANSVERSE GROOVE FOLLOWING SMOOTH CURVED PATH |
904 | SPECIFIED TREAD PATTERN FOR FRONT TIRE AND REAR TIRE |
905 | TREAD COMPOSITION |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
DIGESTS | ||
DIG1 | PEBBLE EJECTORS |
DIG2 | STATIC DISCHARGE |
DIG3 | SLITS IN THREADS |
DIG4 | CRACK RESISTANT |
DIG5 | WATER FILLED |
DIG6 | PEG LEG |
DIG7 | RUBBER VALVES |
DIG8 | CLAMPS |
DIG9 | BEAD TO RIM SEAL |
DIG10 | SPLIT RIM SEAL |
DIG11 | TUBELESS VALVES |
DIG12 | WHITE SIDEWALLS |
DIG13 | VALVES STEM GUARDS |
DIG14 | FABRICS |
DIG15 | OVERLAP |
DIG16 | AIR IMPERMEABLE LINER |
DIG17 | GROOVED RIM |
DIG18 | HUB TIRES |
DIG19 | SANDWICH BREAKERS |
DIG20 | RIMS FOR INVERTED BEAD TIRES |
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