Golf club head
US5681228A · kind A · utility
101Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1995 |
| Grant date | Oct 28, 1997 |
| Priority date | — |
| Expiry date | Nov 16, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/0408
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club head has a gravity depth of 27 mm or greater and a convexed face with bulge and roll radii each equal to 9 inches or less. In an embodiment, a club head has a gravity depth of 27 mm, a bulge radius in the range of 6 to 8 inches and a roll radius of 7 to 9 inches. In another embodiment, a club head has a gravity depth of 30 to 35 mm, a bulge radius in the range of 6 to 8 inches and a roll radius of 7 to 9 inches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.