Hardened golf club head
US8500573B2 · kind B2 · utility
13Cited by
56References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 2011 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | Nov 30, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2209/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club head with a hardened striking face portion that improves durability and performance is disclosed. More specifically, the golf club head disclosed may have a martensitic striking face portion that may be at least about 1.3 times harder than the rear portion of the golf club head due to the martensitic crystalline structure of the striking face portion foamed by heating and quenching the striking face portion of the golf club head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.