IPC Subgroup
A63B 37/04 Rigid cores
Introduced: September 1968
Last revised: January 2006
Full Title
Solid balls; Marbles > Special cores > Rigid cores
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- SPORTS; GAMES; AMUSEMENTS
- Subclass:
- APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT