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Title:
Collapsible canopy structure
United States Patent 2689579
Inventors:
Sartori, Osvaldo F.
Application Number:
US19987350A
Publication Date:
09/21/1954
Filing Date:
12/08/1950
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 like1949-11-15
2462560Tiltable umbrella1949-02-22
0614364N/A1898-11-15
0556580N/A1896-03-17
0514890N/A1894-02-13
0215476N/A1879-05-20
0084199N/A1868-11-17
Foreign References:
GB189111812A
FR454963A1913-07-19