Title:
Collapsible hyperbolic paraboloid umbrella
United States Patent 3252469
Inventors:
Peake, George H.
Publication Date:
05/24/1966
Export Citation:
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Assignee:
Peake, George H.
Primary Class:
135/25.31
Other Classes:
52/66, 52/80.2, 135/98, 211/197
International Classes:
A45B23/00; A45B25/02
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US Patent References:
3060949Flexible hyperbolic paraboloid shelter
2963031Tensioned canopy
2794556Clothes drier
2747749Collapsible clothesline dryer
2274139Clothesline reel
0882960N/A