Method of making a golf ball with a multi-layer core
US6302808A · kind A · utility
132Cited by
58References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1998 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Oct 15, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/54
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An improved golf ball comprising a center having a first hardness, a first layer surrounding the center, comprised of a second material, a second layer surrounding the first layer, comprised of a third material, a third layer surrounding the second layer, comprised of a fourth material, and a cover of a cover material surrounding the third layer wherein each layer has a different hardness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.