| Aardvarks |
03.09.25 |
| Abacuses |
17.07.02 |
| Abrasive belts and discs for sanders |
14.03.07 |
| Abrasive sheets (sandpaper) |
14.03.07 |
| Accordions |
22.01.02 |
| Acorns |
05.07.07 |
| Activities, human |
02.09 |
| Actors |
02.01.17 |
| Adding machines |
15.05.06 |
| Address labels |
20.03.06 |
| Adhesive tape (not in dispenser) |
20.01.25 |
| Adhesive tape dispensers |
20.01.07 |
| Advertising, banners |
24.09.07 |
| Advertising, billboard |
07.13.01 |
| Advertising, signs, alone |
07.13.02 |
| Advertising, signs, mounted or with posts or standards |
07.13.03 |
| Advertising, skywriting |
01.15.06 |
| Aerators, soil, motorized |
15.01.08 |
| Aerators, soil, non-motorized |
14.07.25 |
| Aerosol cans |
19.07.16 |
| Afghan |
09.01.07 |
| Agricultural implements (non-motorized), plows |
14.07.05 |
| Agricultural implements (non-motorized), rakes |
14.07.03 |
| Agricultural implements (non-motorized), shovels |
14.07.01 |
| Agricultural implements (non-motorized), sickles, scythes |
14.07.04 |
| Agricultural implements (non-motorized), spades |
14.07.01 |
| Agricultural implements (non-motorized), Water sprinklers |
14.07.06 |
| Agricultural machines |
15.01.08 |
| Agricultural vehicles |
18.05 |
| Air cleaner filters, automotive |
15.01.04 |
| Air cleaner filters, household (furnace, a/c, etc.) |
13.03.25 |
| Air conditioners |
13.03.25 |
| Air hammers, jackhammers |
14.05.08 |
| Air hoses |
14.01.02 |
| Air mattresses (camping) |
12.01.01 |
| Air or space vehicles |
18.09 |
| Air pumps, motorized |
15.01.25 |
| Air pumps, non-motorized |
14.05.25 |
| Air tanks, portable |
19.07.23 |
| Aircraft carriers |
18.07.10 |
| Airplanes |
18.09.01 |
| Airplanes, paper |
21.01.25 |
| Alarms, fire |
16.01.25 |
| Albums, photograph |
20.05.02 |
| Albums, record |
16.01.05 |
| Aliens |
04.01.07 |
| Alligators |
03.21.05 |
| Alpacas |
03.03.07 |
| Alpha (Greek letter) |
28.01.05 |
| Alternators |
15.01.04 |
| Ambulances |
18.05.12 |
| American flags |
24.09.05 |
| Ammunition |
23.03 |
| Amoebas |
03.23.15 |
| Ampersands (&) |
24.17.14 |
| Amphibious vehicles |
18.07.16 |
| Amplifiers, sound |
16.01.04 |
| Amusement park rides |
21.03.14 |
| Amusement parks |
21.03.14 |
| Anchors |
18.11.05 |
| Ancient temples and monuments or parts thereof |
07.09.02 |
| Angels |
04.01.02 |
| Angles (geometric) |
26.17.12 |
| Animal calls |
18.13.25 |
| Animal feeding equipment, including dog bowls |
18.13.06 |
| Animals |
03 |
| Animals (mammal, primate) body parts |
03.13 |
| Animals composed of letters or numerals |
27.01.02 |
| Animals composed of plants, objects, or geom. figures |
04.07 |
| Animals formed by geometric shapes |
04.07.07 |
| Animals formed by objects |
04.07.06 |
| Animals formed by plants |
04.07.05 |
| Animals forming letters or numerals |
27.03.03 |
| Animals, equipment for |
18.13 |
| Animals, mythological or legendary |
04.05 |
| Animals, prehistoric |
03.25 |
| Animals, stuffed |
21.01.11 |
| Answering machines, telephone |
16.01.04 |
| Ant farms |
19.03.25 |
| Anteaters |
03.09.25 |
| Antelopes |
03.07.08 |
| Antennas |
16.01.01 |
| Ants |
03.23.11 |
| Anvils |
14.05.25 |
| Apartment houses |
07.01.05 |
| Apes |
03.11.01 |
| Apollo (mythology) |
04.01.07 |
| Apple tree |
05.01.08 |
| Apples |
05.09.05 |
| Appliance timers |
17.01.25 |
| Appliances (household) |
15.03 |
| Appliances, kitchen (small electric) |
11.05 |
| Appliances, mechanical |
15.01 |
| Aprons |
09.03.14 |
| Aprons (women wearing) |
02.03.21 |
| Aprons, men wearing, excluding bakers, butchers, chefs |
02.01.38 |
| Aquariums |
19.03.01 |
| Aquariums (buildings) |
07.03.25 |
| Aquariums (with fish) |
03.19.16 |
| Arabic characters |
28.01.01 |
| Arcade games |
21.01.25 |
| Arch supports |
09.07.08 |
| Archers (men) |
02.01.25 |
| Archery arm guards |
21.03.25 |
| Archery bows |
23.01.03 |
| Arches |
07.09.06 |
| Arenas, indoor |
06.09.08 |
| Arenas, outdoor |
07.09.05 |
| Arm chairs |
12.01.04 |
| Armor (men wearing) |
02.01.23 |
| Armor (wearable) |
23.05 |
| Armored trucks |
18.05.05 |
| Arms |
02.11.07 |
| Arms, ammunition and armor (weapons) |
23 |
| Arrowheads |
24.15.04 |
| Arrows |
24.15 |
| Arrows formed by words, letters, numbers or punctuation |
24.15.03 |
| Arrows forming a circle or an arc of a circle |
24.15.01 |
| Arrows forming any other geometric figure |
24.15.02 |
| Arrows, more than one |
24.15.10 |
| Art galleries |
07.03.06 |
| Artichokes |
05.11.25 |
| Articles of manufacture, miscellaneous |
29.01 |
| Artist's materials |
20.01 |
| Ascots |
09.03.08 |
| Ashtrays |
10.01.25 |
| Asian characters |
28.01.03 |
| Asian-Pacific men |
02.01.11 |
| Asian-Pacific women |
02.03.07 |
| Asparagus |
05.11.25 |
| Asterisk |
01.01 |
| Asteroids |
01.09.25 |
| Astrological symbols |
24.17.01 |
| Astronauts (men) |
02.01.32 |
| Astronomic orbits |
01.07.07 |
| Astronomic orbits |
01.09 |
| At symbol (@) |
24.17.14 |
| Athena (mythology) |
04.01.07 |
| Athletes (men) |
02.01.19 |
| Athletes (women) |
02.03.27 |
| Athletic fields (except stadiums and arenas) |
06.09.08 |
| Athletic shoes |
09.07.02 |
| Athletic supporters |
09.03.10 |
| Athletic supporters |
21.03.25 |
| Atomic models |
01.09.05 |
| Atomizers |
19.09.12 |
| Atoms |
01.09.25 |
| Attache cases |
19.01.05 |
| Australian footballs |
21.03.18 |
| Autoharps |
22.01.07 |
| Automobiles |
18.05 |
| Avocados |
05.09.06 |
| Awnings |
07.07.05 |
| Axes |
14.05.05 |