Multipurpose life preserver
US5230645A · kind A · utility
Inventor
Key dates
| Filing date | Apr 30, 1992 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | Apr 30, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47G9/086
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A life preserver formed of a flat, rectangular sheet body made of a cellular low density polyethylene in thickness within 0.5-1.5 m/m, the sheet body including a male fastener and a female fastener aligned on the longitudinal center line of the bottom edge thereof at two opposite ends, a zip fastener on the longitudinal center line of the bottom thereof at the center, self-sticking fastening elements longitudinally symmetrically aligned along two opposite longer sides of teh bottom edge thereof, and male and female snap fasteners alternatively arranged along the border of the top edgte thereof. The zip fastener is unfastened for inserting the user's head. With the fastening elements thereof respectively connected together, the life preserver is put on the user to serve as a life jacket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.