Shoe with inflatable bladder and secure deflation valve
US6409486B1 · kind B1 · utility
9Cited by
4References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 12, 2000 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Sep 12, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K35/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An inflatable shoe with a deflation valve designed to limit inadvertent operation of the valve and thereby limit inadvertent deflation of the shoe. The deflation valve has a shortened plunger, a collar to prevent tilt of the plunger, and a conformable ring on the valve face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.