Safety measures for kayaks and other craft
US6581591B1 · kind B1 · utility
1Cited by
4References
5Claims
0Family size
Inventors
Key dates
| Filing date | May 7, 2001 |
| Grant date | Jun 24, 2003 |
| Priority date | — |
| Expiry date | May 7, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/207
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An emergency breathing apparatus for breathing under water particularly when using a kayak (1) comprising a single flexible tub (4) having an internal volume which is less than normal lung capacity and having an inlet adjacent one end of said tube which is arrange to be maintained above water level and open to ingress of air and adjacent the other end of said tube in close proximity a mouthpiece an a valve means operable by a user to inhibit flow of water into the breathing means in a closed condition and to permit breathing when in an open condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.