Title:
Collapsible umbrella
United States Patent 2616439
Inventors:
Herbert, Thompson Richard
Publication Date:
11/04/1952
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Assignee:
Herbert, Thompson Richard
Primary Class:
135/25.31
International Classes:
A45B19/10; A45B19/00
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US Patent References:
2063624Umbrella
1964292Folding umbrella
1397667Umbrella or parasol
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1018941N/A
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