Golf club head crown with recess part and step surface
US9839819B2 · kind B2 · utility
14Cited by
31References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2016 |
| Grant date | Dec 12, 2017 |
| Priority date | — |
| Expiry date | Apr 19, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/0437
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A head h1 includes a crown c1, a sole s1, a face f1 and a hosel h1. The crown c1 includes a recess part RE1, a back part 100 positioned at a back of the recess part RE1, and a step surface ST1 positioned at a front of the back part 100 and positioned above a virtual extension surface HF1 of the back part 100. At least a part of the recess part RE1 extends in a toe-heel direction. At least a part of the step surface ST1 extends in the toe-heel direction. At least a part of the recess part RE1 may extend in a front-back direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.