IPC Subgroup
A63B 41/04 Closures therefor
Introduced: September 1968
Last revised: January 2006
Full Title
Hollow inflatable balls > Bladders > Closures therefor
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- SPORTS; GAMES; AMUSEMENTS
- Subclass:
- APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT