Golf club head
US9033820B2 · kind B2 · utility
47Cited by
1References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 19, 2013 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Jun 14, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/50
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf club head of the present invention includes a face. The face has a score line groove, a fine groove, and a land area. A depth of the fine groove is 0.01 mm or greater and less than 0.03 mm. A width of the fine groove is 0.1 mm or greater and 0.3 mm or less. A pitch of the fine groove is 0.3 mm or greater and 0.7 mm or less. Preferably, the face further has a protruding part protruding beyond the land area. Preferably, the protruding part is provided on a top blade side of the fine groove. Preferably, the protruding part extends along the fine groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.