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Title:
Collapsible canopy structure
United States Patent 2689579
Inventors:
Sartori, Osvaldo F.
Publication Date:
09/21/1954
Assignee:
Sartori, Osvaldo F.
Primary Class:
Other Classes:
16/332, 135/96, 135/136, 135/161, 135/906
International Classes:
B63B17/02
View Patent Images:
US Patent References:
2488305Adjuster support for window sashes and the like
2462560Tiltable umbrella
0614364N/A
0556580N/A
0514890N/A
0215476N/A
0084199N/A
Foreign References:
GB189111812A
FR454963A