Hockey puck
US4793769A · kind A · utility
23Cited by
6References
7Claims
0Family size
Inventor
Key dates
| Filing date | Mar 3, 1988 |
| Grant date | Dec 27, 1988 |
| Priority date | — |
| Expiry date | Mar 3, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2067/146
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention is a hockey puck having a set of three freely-revolvable ball bearings recessed therein; the ball bearings permit the puck to move with little resistance on a surface and otherwise function like a regulation ice hockey puck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.