| ReturnTo Theme-Group-Choice | Onelevelup |
| 3D011 | AUTOMATIC CYCLES, AND CYCLES IN GENERAL | |
| B62K1/00 -11/14 | ||
| B62K5/00-5/10 | AA | AA00 TYPES OF CYCLES WITH THREE OR MORE WHEELS |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | |||
| . Tricycles | . . Two front wheels | . . Two rear wheels | . . . Sideways-swinging front chassis | . . . . Limited range of swinging | . . . . Preset range of swinging | . Quadricycles | ||||||
| AB | AB00 MOTOR-DRIVEN CYCLES |
AB01 | ||||||||||
| . Front and rear wheel-driven cycles | ||||||||||||
| AC | AC00 DISTINCTIVE FEATURES OF CHASSIS |
AC01 | AC02 | AC03 | AC04 | |||||||
| . Frames | . Roofs | . Fenders | . Steps | |||||||||
| AD | AD00 DISTINCTIVE FEATURES OF EQUIPMENT DISPOSITION AND MOUNTING |
AD01 | AD02 | AD03 | AD04 | AD05 | AD06 | |||||
| . Steering devices | . Suspension devices | . . Front wheels | . . Rear wheels | . Braking devices | . . Parking brakes | |||||||
| AD11 | AD12 | AD13 | AD14 | AD15 | AD16 | AD17 | AD18 | AD19 | ||||
| . Transmission devices | . Equipment associated with engines | . . Air cleaners | . . Radiators | . . Air-intake pipes | . . Exhaust pipes | . . Fuel tanks | . Electrical parts | . . Batteries | ||||
| AD21 | AD22 | |||||||||||
| . Seats | . Luggage racks | |||||||||||
| B62K9/02 | AE | AE00 CHILDREN'S TRICYCLES |
AE01 | AE02 | AE03 | AE04 | AE05 | AE06 | AE07 | AE08 | ||
| . Frames | . . Frames that can be folded | . . Frames that can be assembled or disassembled | . . Two front wheels | . Handles | . Wheels or axles | . Suspension devices with dampers | . Motor-driven tricycles | |||||
| AE11 | ||||||||||||
| . Tricycles that carry toys | ||||||||||||
| B62K11/00-11/14 | AF | AF00 PURPOSE AND EFFECTS |
AF01 | AF02 | AF03 | AF04 | AF05 | AF06 | AF07 | |||
| . Frame construction | . . Assembly characteristics of frame component members | . Improved frame strength | . Equipment disposition or mounting | . . Improved strength of attachment of equipment | . Cooling | . Effective use of space in pipes | ||||||
| AG | AG00 TYPES OF VEHICLES |
AG01 | AG02 | AG03 | AG04 | |||||||
| . Scooters | . Cycles with auxiliary motors | . Tricycles | . Quadricycles | |||||||||
| AH | AH00 ENGINE POSITION |
AH01 | AH02 | AH03 | ||||||||
| . Between front wheels and rear wheels | . Above or beside rear wheels | . Above or beside front wheels | ||||||||||
| AJ | AJ00 TRANSMISSION DEVICES |
AJ01 | AJ02 | |||||||||
| . Front-wheel drive | . Front and rear-wheel drive | |||||||||||
| AK | AK00 DISTINCTIVE FEATURES OF FRAMES |
AK01 | AK02 | AK03 | AK04 | AK05 | ||||||
| . Entire framework | . . Cradle frames | . . Frames that include the engine | . . Backbone frames | . . Frames that include the cowling | ||||||||
| AK11 | AK12 | AK13 | AK14 | AK15 | AK16 | AK17 | ||||||
| . Component portions of frames | . . Head pipes | . . Down tubes | . . Main tubes | . . Rear pipes | . . Seat rail pipes | . . Under tubes | ||||||
| AK21 | AK22 | AK23 | ||||||||||
| . Manufacture of frames | . . Manufacture by means of pressing | . . Manufacture by means of welding | ||||||||||
| AK31 | AK32 | AK33 | ||||||||||
| . Cross-sectional shape | . . Square pipes | . . Plate-like pipes | ||||||||||
| AK41 | ||||||||||||
| . Characteristic materials | ||||||||||||
| AL | AL00 DISTINCTIVE FEATURES OF EQUIPMENT DISPOSITION AND MOUNTING |
AL01 | AL02 | |||||||||
| . Steering devices | . . Handles | |||||||||||
| AL11 | AL12 | AL13 | AL14 | |||||||||
| . Suspension devices | . . Front forks | . . Rear forks | . . Dampers | |||||||||
| AL21 | ||||||||||||
| . Engines | ||||||||||||
| AL31 | AL32 | AL33 | AL34 | AL35 | AL36 | AL37 | AL38 | AL39 | ||||
| . Equipment associated with engines | . . Air cleaners | . . Radiators | . . Air-intake pipes | . . Exhaust pipes | . . Superchargers | . . Fuel tanks | . . Oil tanks | . . Batteries | ||||
| AL41 | ||||||||||||
| . Electrical parts | ||||||||||||
| AL51 | ||||||||||||
| . Seats |