Waterproof footwear
US5289644A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1993 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Mar 29, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B7/125
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An article of waterproof footwear and its method of manufacture are disclosed. The article of waterproof footwear has an upper containing a water-impermeable layer. The distal edge of the upper has a polymeric binding covering the distal edge and the inside and outside surfaces of the upper adjacent to the distal edge. The polymeric binding seals to a waterproof insole thereby effectively waterproofing the upper of the footwear. An outer sole is attached to the upper thereby forming the waterproof footwear. The method of manufacture allows production of a waterproof upper and the attachment to the upper of an outer sole, thereby forming the waterproof footwear of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.