Solid golf ball
US5772531A · kind A · utility
278Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1997 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | Mar 7, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B37/0076
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed is a solid golf ball comprising a solid core having a three-layered structure composed of an inner layer, an intermediate layer, and an outer layer, and a cover for coating the solid core. The intermediate layer is designed to have a JIS-C hardness of 50 to 80, and the outer layer is designed to have a hardness which is higher than the hardness of the intermediate layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.