Non-slip footwear
US4356643A · kind A · utility
76Cited by
7References
1Claims
0Family size
Inventors
Key dates
| Filing date | Nov 28, 1980 |
| Grant date | Nov 2, 1982 |
| Priority date | — |
| Expiry date | Nov 28, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/22
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A footwear having an underside of the sole thereof covered by a friction pad comprised of interlaced or intertwisted, relatively stiff nylon fibers woven through a backing liner secured to the sole underside, while the lower, outer surface of the pad thus formed, serves to engage a slippery surface without possible slipping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.