Safety base
US4529199A · kind A · utility
8Cited by
10References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 22, 1984 |
| Grant date | Jul 16, 1985 |
| Priority date | — |
| Expiry date | Mar 22, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B69/0013
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A breakaway safety base including a ground support and base which may be secured on a playing field in two positions for safe play by both young and old players. In the first position relative low sliding forces break the base away from the ground support while in the second position relatively greater sliding forces are required to break the base away from the ground support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.