Self erecting personal water safety device
US5800227A · kind A · utility
7Cited by
5References
11Claims
0Family size
Inventor
Key dates
| Filing date | Mar 26, 1997 |
| Grant date | Sep 1, 1998 |
| Priority date | — |
| Expiry date | Mar 26, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C9/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A self erecting personal water safety device includes a marker device having a flag portion and a base portion normally in the collapsed state; an erection chamber in the flag portion and a compressible storage chamber in the base portion for storing an actuating fluid and interconnected with the erection chamber for compressing when submerged in water to transfer fluid to the erection chamber and erect the flag portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.