Golf shaft with bulge section
US5938542A · kind A · utility
3Cited by
1References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 6, 1998 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Jan 6, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2209/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A composite shaft used in the manufacture of golf clubs includes a straight shaft of tapered form extending between an upper butt end a lower tip end. A radially outwardly protruding bulge section is located on the shaft with the bulge section being spaced from both the tip end of the shaft and the butt end of the shaft. The bulge section has a relatively short length compared to the length of the shaft and is located on the shaft to begin in the lower 1/3 of the shaft length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.