Golf ball
US4090716A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1976 |
| Grant date | May 23, 1978 |
| Priority date | — |
| Expiry date | Mar 30, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B37/008
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf ball having improved flight characteristics having a spherical surface with 252 depressions therein. 240 of the depressions are in the shape of inverted pyramids with hexagonal bases and 12 of the depressions are in the shape of inverted pyramids with pentagonal bases. The ball has two poles and an equator, and the pentgonal bases serve as the two poles and as the vertices of similar equilateral spherical triangles into which the surface of the ball may be divided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.