Hollow golf club head
US7503853B2 · kind B2 · utility
34Cited by
18References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 30, 2005 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | Jun 13, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B53/0437
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
This invention provides a hollow golf club head having a crown portion and a sole portion. Young's modulus of a material among materials of the crown portion which is used in the largest amount is lower than Young's modulus of a material among materials of the sole portion which is used in the largest amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.