IPC Subgroup
A63B 39/04 Pricking balls
Introduced: September 1968
Last revised: January 2006
Full Title
Hollow non-inflatable balls > Arrangements for maintaining the pressure > Pricking balls
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- SPORTS; GAMES; AMUSEMENTS
- Subclass:
- APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT