Title:
Flexible buoyant article
United States Patent 2715231
US Patent References:
Insulating material
- - 1990434
Resilient material
- - 2171805
Buoyant device
- - 2350654
Combination cushion and life preserver
- - 2405484
Combined inflated support and utility bag
- - 2542477
Insulating material
- - 1990434
Resilient material
- - 2171805
Buoyant device
- - 2350654
Combination cushion and life preserver
- - 2405484
Combined inflated support and utility bag
- - 2542477
Inventors:
Marston, Oliver F.
Publication Date:
08/16/1955
View Patent Images:
Export Citation:
Assignee:
Marston, Oliver F.
Primary Class:
Other Classes:
206/522, 5/655.300, 52/2.190, 5/707
International Classes:
B63C9/08; B63C9/00
US Patent References:
| 2660736 | Flotation equipment |
Foreign References:
| FR379662A | ||||
| FR389972A | ||||
| GB563014A | ||||
| GB657558A | ||||
| DE857758C | ||||
| FR955651A |