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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 33 | GEOMETRICAL INSTRUMENTS |
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1R | MISCELLANEOUS |
1A | Aerial photo |
1B | Printed sheet |
1C | Curve and chart analysis |
1D | Indexing and verniers |
1E | Dip and strike |
1F | Article subdividing |
1G | Layout |
1H | Earth |
1K | Copy aids and perspective drawing |
1M | X-Y motion |
1N | Angular measurement |
1L | Optical readout |
1P | Sonic wave |
1Q | Railroad |
1S | Statistical measurements |
1T | Theodolite-optical readout |
1V | Volume measurement |
1AA | Tables-layout |
1BB | Inspection |
1CC | Remote point locating |
1DD | Light direction |
1HH | Seismic |
1LE | Line engaging |
1MP | Multipolar |
1SP | Radius and spiral |
1PT | Angular position transducer |
1AP | Angle polysection |
1SB | Simulating calculators |
1CF | Character forming |
2R | APPAREL |
3R | Footwear |
4 | Laying out |
6 | Processes |
3A | Single measuring or indicating means |
3B | Multiple indicating means, independent |
3C | Multiple indicating means interconnected |
7 | Leveling features |
8 | Stand supported |
11 | Laying out |
17R | Processes |
2H | Hems and cuffs |
2A | Stocking gauge |
18.1 | SCRIBER |
18.2 | Writing |
18.3 | Perspective drawing |
19.1 | Graduating |
20.1 | Sight-line controlled |
21.1 | Curved surface |
23.01 | Pantographic |
23.02 | Single beam |
23.03 | Superposed carriages |
23.04 | Sliding pivot |
23.05 | Opposite replica |
23.06 | Plural reproduction |
23.07 | Pattern grading |
23.08 | Pattern follower |
23.09 | Human form |
23.1 | Telautograph |
23.11 | Template and stylus details |
24.1 | Multiplane |
25.1 | Parallelogram type |
26 | Compound curved and straight-line |
27.01 | Curved line |
27.02 | Compass |
27.04 | Circle forming frame support |
27.05 | Circle forming roller |
27.06 | Circle forming pin and jointed arm |
27.07 | Circle forming rotating table |
27.08 | Conic section |
27.09 | Spiral |
27.1 | Sine curve |
27.11 | Rose engine |
27.12 | Pattern follower |
28 | Lens |
29 | Stair |
30.1 | Ellipsograph |
32.1 | Straight-line |
32.2 | Portable |
32.3 | Moving scriber |
32.5 | Stationary scriber and moving support or sheet |
32.7 | Sheet support and handling details |
33 | Clapboard |
34 | Ink |
40 | Set shift |
41.1 | Parallel line |
227 | STRAIGHT-LINE LIGHT RAY TYPE |
228 | Process |
229 | Aerial bomb sight |
232 | Marine or aircraft ground speed indicator |
262 | Body related |
263 | Structurally installed |
267 | With telemetric means |
268 | Celestial |
272 | With magnetic compass |
274 | With straight edge instrument or chart |
275R | Combined |
276 | Multisight line |
281 | Vertical and horizontal angle measurer |
282 | Vertical angle |
283 | Having gravity responsive indicating means (e.g., pendulum, etc.) |
284 | Including distance finding feature |
285 | Horizontal angle measurer |
286 | Alignment device |
287 | Railway track |
288 | Vehicle chassis, running gear or headlamp |
289 | Game ball (e.g., football, etc.) |
290 | Level (i.e., surveyor's type) |
293 | Rod or target |
297 | Reticle |
299 | Instrument support |
300 | INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA |
301 | Process |
304 | Borehole direction or inclination |
305 | Etching or marking liquid determines orientation |
306 | Fluid (e.g., drilling fluid, etc.) responsive |
308 | Pendulum mounted or directed marker |
309 | Radiant energy or electrically produced marking |
310 | Includes magnetic directional indicator |
311 | Record movable to marking position |
312 | Electrical telemetering to read-out |
313 | Inclination and direction indications |
314 | Indicator image projected on sensitized record (e.g., photographic, etc.) |
315 | Thermally sensitive |
316 | Gyromagnetic compass |
318 | Gyroscopically controlled or stabilized |
319 | Magnetic compass |
320 | Geographic position indication (i.e., latitude or longitude) |
321 | Plural gyroscopes (e.g., reference platform, etc.) |
324 | Gyroscopic compass |
325 | Transmission system for remote readout |
326 | Selective correction for deviation |
327 | Fluid, suspension or control |
328 | Attitude indicator (i.e., pitch or bank) |
331 | With recorder |
332 | With marker |
333 | Structurally installed including relation to feature thereof |
335 | Vehicle running gear, or headlight, inclination |
338 | Railway rail spacing and inclination |
339 | With cord-type straight-line guide or holder therefor |
340 | With measurement in plural directions or of shape |
342 | With independent linear measurement |
343 | With angle or shape determination |
344 | With damper or governor for sensor |
347 | Attaching means (i.e., adhesive, magnetic or vacuum viewing aid) |
348 | With viewing aid (i.e., illuminator or illumination director) |
349 | With preselected direction indicator |
350 | With protector or shock absorber |
351 | Diverse directional indicator |
354 | Combined |
355R | Magnetic field responsive |
356 | Error indicator, preventor, or compensator |
360 | Utilizing cathode-ray tube or photoelectric cell |
361 | Electro-magnet or inductor (e.g., flux valve, etc.) |
363R | Electrical telemetering |
363K | Photoelectric pickoff |
363L | Electrical contact pickoff |
363N | Electrolytic liquid pickoff |
363Q | Resistance, capacitance, or inductance pickoff |
363Y | Fluid jet or pressure pickoff |
364 | Liquid buoyed magnetic needle |
355D | Dip aligning needle |
365 | Level or plumb, terrestrial gravitation responsive |
366.11 | Electrically actuated signal or indicator |
366.12 | Plural nonparallel axes or plural orientation sensors |
366.13 | With compensation of sensed quantity (e.g., acceleration) |
366.14 | With pulse or digital processing circuit component |
366.15 | Fluent sensor |
366.16 | Having light or radiant energy detecting circuit control element |
366.17 | Having buoyant control element |
366.18 | Having fluent material reactive circuit control element (e.g., inductive) |
366.21 | Having resistive or contact circuit control element |
366.23 | Having light or radiant energy detecting circuit control element |
366.24 | Having pendulum sensor |
366.25 | Having reactive circuit control element (e.g., inductive, capacitive) |
366.26 | Having resistive or contact circuit control element |
366.27 | Indicator details |
367 | Plural, similar, separable liquid columns system |
368 | Arresting means for movable indicator |
369 | Line level type |
370 | Work, or workman, attaching means |
374 | Relatively movable, coacting, reference-surface sections |
376 | Add-on-type reference-surface section |
377 | Liquid type, upper surface utilizing |
378 | Float or piston |
379 | Bubble |
391 | Pendulum |
392 | Plumb line (i.e., flexible, line suspended plumb bob) |
395 | Plural, coacting in intersecting planes |
396 | Liquid buoyed |
397 | Gimbal mounted |
398 | Weight, variable quantity or center of gravity |
399 | Indicium adjustably fixed to reference-surface section or to weight |
401 | Motion transmitting mechanism drives indicator (e.g., gearing, magnetic coupling) |
402 | Means limiting swing |
403 | STRAIGHTEDGE TYPE |
404 | Wall guide and plumb (e.g., building construction) |
411 | Clapboard marking |
412 | Shaft aligning |
413 | Cord type |
415 | Multiplane angularly adjustable |
418 | Square and pivoted straightedge |
419 | And sliding |
420 | Straightedge as a hypotenuse of the square |
422 | Having circumferential pivot, only |
423 | With indicia for rafter cuts |
424 | With protractor |
427 | Square and sliding nonpivotal straightedge(s) |
429 | Square and fixed straightedge |
430 | Base attached |
431 | Navigation |
432 | Perspective drawing |
435 | Rotary base |
436 | Linear counter rule |
437 | With guide or catch for T-square type |
438 | Universal parallelism arrangement |
443 | Both ends connected |
447 | Set shift, positively |
448 | With means for moving straightedge over a surface |
451 | Combined with level |
452 | Plural straightedges, relatively moveable |
453 | Triangulation (e.g., solving trigonometric functions) |
454 | Parallel type |
455 | Intercontrolled bevel blades |
456 | Multipivoted straightedges |
457 | Navigational |
458 | Folding rule type |
459 | Two straightedges pivoted at the ends of a central straightedge |
464 | Sliding |
465 | Single pivot |
474 | Plural straightedges nonadjustably fixed at right angles (e.g., T-square, triangles, squares) |
475 | With right angle truing adjustment |
476 | With special scale markings |
477 | Lettering guide |
478 | Folding or separable |
479 | T-square |
480 | Try square |
481 | Multiplane |
482 | Plural nonadjustable straightedges forming nonright angles |
483 | Rules |
484 | With attachment |
485 | For performing diverse function |
486 | Index |
489 | For supporting above work surface |
490 | Located on end |
491 | Selectable |
492 | Edge details |
493 | Particular material |
494 | Special scale markings |
495 | Pivot joints |
121 | AREA INTEGRATORS |
700 | DISTANCE MEASURING |
701 | Process |
702 | Error compensation (e.g., temperature) |
703 | Environmental isolation |
706 | Scale reading position sensor (e.g., grid counting) |
709 | Convertable to another type measuring means |
710 | Machine parts |
712 | Article support integral with measuring means |
713 | Sounding type |
714 | With electric control means |
716 | Including electrical signal means |
717 | With sampling means |
719 | Depth indication |
720 | Line with weight |
721 | For nongaseous material |
732 | Of flexible material |
733 | Supply (e.g., bolt, roll) |
734 | By rolling contact |
735 | With computing means |
736 | With particular electric output or circuit |
737 | With recording or marking means |
738 | Having rectilinear scale |
739 | With signal means |
740 | With stop means |
743 | Combined |
744 | Belt type |
745 | Zero setting means |
746 | Rotating and stationary surfaces |
747 | Opposed rotating surfaces |
750 | Predetermined stop or signal means |
751 | With marking means |
752 | With ratchet means to move indicator |
753 | With gear means to move indicator |
754 | With take up reel |
755 | By flexible tape |
756 | Cord type |
757 | Means to keep tape straight |
758 | With adhesive or securing means |
759 | Specified use |
760 | Combined |
761 | Specified reel housing feature |
762 | With meter |
764 | Plural tapes |
765 | Opening in housing for reading tape |
766 | Inside-outside measure |
767 | Including brake or lock |
768 | Including attachment |
769 | Housing shape, structure or material |
770 | Including attachment |
771 | Specified tape material |
772 | Of length by rolling contact |
773 | With computing means |
774 | Having rectilinear indicator |
775 | Combined |
776 | Belt type |
777 | Inside tube |
778 | On running material (e.g., mill type) |
779 | Implement |
783 | Opposed contacts |
784 | Digital indicator |
785 | Fluid indicator |
787 | Extensometer |
791 | Optical indicator |
792 | Rotary indicator |
793 | Electrically controlled |
794 | Hand held implement |
803 | Bench type |
805 | With work support |
806 | Rectilinear indicator |
807 | Pivoted type with scale |
809 | Exstensible-rule type |
810 | Beam type with scale |
813 | Micrometer |
814 | Differential screw |
815 | With means for maintaining a constant or limited pressure on the contacts |
816 | With wear compensation or backlash prevention means |
817 | With lock |
818 | With additional indicator |
821 | With preliminary setting arrangement |
822 | By disengaging threaded element |
823 | Micrometer slidably mounted on a beam |
825 | Spindle or micrometer slidable |
826 | By use of interchangeable parts of different sizes |
827 | Inside measurement only |
828 | With attachment |
830 | With special scale markings |
831 | Details (e.g., spindle or anvil adjustment, material |
832 | Single contact with a work engaging support |
501 | GAUGE |
501.01 | Leather grading or size |
501.02 | Continuous gauging |
501.05 | Comparator |
501.06 | Beam type |
501.08 | Hand held |
501.09 | Plural contact probes |
501.5 | With pivot means |
501.6 | Electric type |
501.7 | Tooth testing (e.g., gear, rack) |
501.8 | By electrical comparison |
501.11 | Implement type |
501.12 | Internal |
501.13 | By pair of engaged gears |
501.14 | By probe |
501.19 | By rotary master |
193 | Axle |
194 | Door and window |
195 | Hoof |
196 | Millstone |
197 | Mortise |
199R | Screw thread |
200 | Spectacle |
201 | Tool |
203 | Wheel |
203.1 | Watch |
203.11 | Tread contour |
203.12 | With wheel supporting means |
203.15 | Floor supported, wheel contacting |
203.18 | Axle, vehicle, or wheel supported |
203.21 | Trammel |
502 | With calibration device or gauge for nuclear reactor element |
503 | Coordinate movable probe or machine |
504 | With computer responsive to contact probe |
505 | Having program control or an analogue to digital device |
506 | Target, weapon, or weapon projectile |
507 | Lens |
508 | Golf stance, swing or club analysis |
509 | Bowling ball |
511 | Anatomical |
516 | Point reproducer |
517 | Bearing or bearing part |
518 | Masonry construction |
519 | Cam profile or keyway |
520 | Center, point, distance between centers, or centerline location |
521 | Earth profile or road grade or shrub or tree trim guide |
522 | Container |
523 | With conveying wheel support |
524 | Pie, cake, cheese, pizza, or sandwich portion |
526 | Flooring, floor or wall covering, or molding |
528 | Wall panel outline marker for utility |
529 | Pipe layout or fitting |
530 | Pitchometer |
531 | Taper |
533 | Straightness, flatness, or alignment |
534 | Angle |
539 | Lock or key |
541 | Postage stamp or mechanical coupling gauge |
600 | Automotive |
601 | Mechanical engine timing by piston contact in engine cylinder |
602 | Distributor point setting |
603 | Connecting rod |
605 | Piston, piston ring, or crankshaft |
606 | Power train |
607 | Fuel pump, injection nozzle or valve, or carburator |
608 | Frame alignment |
609 | Brake |
611 | Engine valve, valve-stem, or tappet |
612 | Torsion bar |
613 | Collocating |
614 | Printing member registration |
615 | Photographic member or holder with respect to surface |
616 | Transparent registration sheet to align printing on member |
617 | Printing type or plate |
618 | Curved printing member with respect to its support |
619 | Page form registration with respect to its support or to another form on same support |
620 | Plate registration with respect to second plate or printing sheet |
621 | Plate registration with respect to plate support |
622 | Hand stamp registration with respect to printing location on sheet to be printed |
623 | Sheet registering device |
624 | Earth contacting or working |
626 | Tool or surrogate |
627 | Die |
628 | Cutter or shaper |
629 | Screw thread |
630 | Cutter with respect to workpiece end |
632 | Axis of rotary cutter with respect to axis of cylindrical workpiece |
633 | Planar blade with respect to its holder or another part |
636 | Bit with respect to its holder |
638 | Bit with respect to workpiece or workpiece holder |
639 | Drill or bit with respect to chuck or spindle holder |
640 | Circular cutter with respect to workpiece or workpiece support |
641 | With respect to support |
642 | Spindle or chuck with respect to workpiece or workpiece support |
643 | Millstone with respect to millstone shaft |
644 | Centering or point location |
645 | Alignment |
646 | Clapboard lapping |
648 | Shingle lapping gauge |
650 | Shoe, shoe part, or last |
651 | Railway track or railway vehicle part |
652 | Burner fuel emitting member with respect to electrode spacing |
653 | Insignia with respect to garment, e.g., uniform |
654 | Valve |
655 | Machine parts |
662 | Button or buttonhole |
663 | Proportional line segmenter |
666 | With point marker |
667 | For door or drawer hinge, pull or securing means |
668 | For windup tape or tape casing, or marker attachment for tape |
669 | Plural markers |
670 | Having marker centering means |
671 | For marking center of a hole |
672 | Having diverging-angle bisector workpiece-contacting members with marker on angle bisector |
673 | Having adjustable workpiece-contacting centering means |
674 | Pivoted caliper workpiece-contacting means |
675 | Rack and pinion operating workpiece-contacting means |
676 | Having workpiece-contacting tapered centering means |
677 | Having workpiece-contacting device with marking to align with workpiece marking |
678 | Angularly adjustable about an axis |
679 | Marker located with respect to two different directions |
679.1 | Special scale markings |
542 | Internal |
543 | Concentricity or eccentricity |
543.1 | Fluid type |
544 | Earth cavity or tube |
544.4 | Tapered probe |
544.5 | Having more than two probes |
542.1 | Telescoping caliper or stem gauge |
545 | Comparison with a standard |
548 | Plural tests |
549 | With support for gauged article |
550 | Concentricity |
551 | Profile |
555 | Having indicator of probe position or movement |
555.1 | Circular size |
556 | Having a movable contact probe |
557 | Plural probes |
558 | Electrical switch or transducer responsive to probe or probe is part of electrical circuit |
558.01 | Pivoted probes (e.g., divider, caliper, etc.) |
558.02 | Proportional |
558.03 | Point parallelizing |
558.04 | Having adjustable legs |
558.2 | Plural legs or contact probes |
558.3 | Removable probe |
558.4 | Pivoted probe |
558.5 | Median handle |
559 | Movable contact probe, per se |
561.1 | Conformator or adjustable curve template |
562 | Template |
567 | Surface plate or gauge block |
568 | Work support adjustment |
571 | With scale |
572 | Probe support |
573 | Work support |
574 | POINT MARKER GUIDE |
575 | Button or buttonhole marker guide |
577 | With support for workpiece |
578 | For plural markers |
579 | For marker movement in direction of marker axis |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA |
DIGESTS | ||
DIG1 | MAGNETIC |
DIG2 | AIR |
DIG3 | PHOTOELECTRIC |
DIG4 | INTERFEROMETER |
DIG5 | DIFFERENTIAL TRANSFORMER |
DIG6 | DIAL INDICATOR SHOCK ABSORBER |
DIG7 | RIBBON AND WIRES |
DIG8 | ECCENTRICS |
DIG9 | RECTANGULAR PROPORTIONER |
DIG10 | OUTLET BOX |
DIG11 | MATERIALS |
DIG12 | MECHANICAL EXPEDIENTS |
DIG13 | WIRE AND STRAIN GAUGES |
DIG14 | SPLINE AND GEAR |
DIG15 | PISTON POSITION INDICATOR |
DIG16 | CLIPS AND RAFTERS |
DIG17 | PISTON RING AND BEARING RACE GAUGING |
DIG18 | FLUSH PIN GAUGES |
DIG19 | THERMAL EXPANSIVE |
DIG20 | TILE |
DIG21 | WITH LASER |
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