Inflatable wearable flotation device
US4097947A · kind A · utility
42Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 1977 |
| Grant date | Jul 4, 1978 |
| Priority date | — |
| Expiry date | Apr 15, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C9/1255
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An inflatable wearable flotation device having flotation material in front and back panels and an inflatable bladder having sections located at said front panels and a collar section positioned over said back panel comprising a bladder section, and fastener means for maintaining said bladder sections flat when fastened and being unfastened by expansion of the bladder sections to permit inflation of the bladder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.