Iron golf club head and iron golf club
US9522311B2 · kind B2 · utility
12Cited by
6References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 8, 2014 |
| Grant date | Dec 20, 2016 |
| Priority date | — |
| Expiry date | Jan 6, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/0433
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
In an iron golf club head with a face portion and a neck portion integrally molded by forging, the iron golf club head is made of an iron steel material at least containing 0.30% by weight or less of carbon and 0.0005% by weight to 0.003% by weight of boron. The face portion has been subjected to quenching processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.