Pneumatic boats
US4640217A · kind A · utility
11Cited by
0References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 1985 |
| Grant date | Feb 3, 1987 |
| Priority date | — |
| Expiry date | Aug 28, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B34/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The boat comprises in combination two lateral canvases (8) disposed tangentially to the two compartments (6,7), and a bottom canvas (11) held under tension by a longitudinal keel (9) interposed between a floor (10) and said bottom canvas (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.