Golf club shaft
US3998458A · kind A · utility
55Cited by
14References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1975 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | Jul 10, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S273/23
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club shaft made of a filament reinforced resin wherein a group of filaments are wound at a winding angle of 10.degree. or less and another group of filaments are wound at a winding angle of 25.degree. to 65.degree. and capable of much reducing the torsion of the shaft, reducing the weight of the shaft, increasing the bending strength of the shaft and increasing the flying distance of a golf ball.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.