Shuttlecock
US4995619A · kind A · utility
9Cited by
2References
4Claims
0Family size
Inventor
Key dates
| Filing date | Apr 17, 1990 |
| Grant date | Feb 26, 1991 |
| Priority date | — |
| Expiry date | Apr 17, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2071/0625
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A shuttlecock for hitting or kicking by a hand, foot or racket comprising a hollow elastic body, a head connected with the body and a tail connected with the head. The body can shrink to press the air in its hollow interior through a curved through hole in the head to give out a whistling sound when this shuttlecock is hit or kicked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.