Collapsible umbrella
United States Patent 2616439
US Patent References:
/0100012.html
- - 0100012

/1018941.html
- - 1018941

/1249007.html
- - 1249007

Umbrella or parasol
- - 1397667

Folding umbrella
- - 1964292


Inventors:
Herbert, Thompson Richard
Publication Date:
11/04/1952
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Assignee:
Herbert, Thompson Richard
Primary Class:
135/25.310
International Classes:
A45B19/10; A45B19/00
US Patent References:
2063624Umbrella