Golf-shoe sole
US4178702A · kind A · utility
21Cited by
7References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1977 |
| Grant date | Dec 18, 1979 |
| Priority date | — |
| Expiry date | Dec 20, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B5/001
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A golf-shoe sole made of polyurethane-base foamed material is provided with spikes; but in a spike-free zone located in the region to be occupied by the ball of a wearer's foot there are at least two volcano-shaped elevations the inner and outer surfaces of each such elevation intersecting at a circular rim situated approximately 3 mm below the base and having a diameter from 10 to 12 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.