Combination shelters
United States Patent 2863467
US Patent References:
/0269317.html
- - 0269317

/0361505.html
- - 0361505

/0373378.html
- - 0373378

/0931529.html
- - 0931529

Umbrella
- - 1397789


Inventors:
Hearell, Fred E.
Publication Date:
12/09/1958
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Assignee:
Hearell, Fred E.
Primary Class:
52/2.170
Other Classes:
135/119, 135/118, 135/20.200, 135/114, 135/99
International Classes:
E04H15/00; E04H15/20
US Patent References:
2679256Inflatable umbrella
Foreign References:
AU136532B