IPC Subgroup
A63B 37/02 Special cores
Introduced: September 1968
Last revised: January 2006
Full Title
Solid balls; Marbles > Special cores
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- SPORTS; GAMES; AMUSEMENTS
- Subclass:
- APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
4 direct subcodes
Child Classifications
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- A63B 37/04 Rigid cores
- A63B 37/06 Elastic cores
- A63B 37/08 Liquid cores; Plastic cores
- A63B 37/1 with eccentric centre of gravity