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Title:
Collapsible stand for a flexible projection screen
United States Patent 3166115
Inventors:
Herbert, Riedel
Application Number:
US10947261A
Publication Date:
01/19/1965
Filing Date:
05/11/1961
Assignee:
Herbert, Riedel
Primary Class:
Other Classes:
160/351, 248/125.1, 248/170
International Classes:
G03B21/58
View Patent Images:
US Patent References:
2855169Adjustable support1958-10-07
2780282Screen stand and case1957-02-05
2534552Portable projection picture screen support1950-12-19
2346274Projection screen stand1944-04-11
2042443Adjustable supporting pillar or the like1936-05-26
1852925Collapsible radio antenna1932-04-05
1468369Screen1923-09-18
0572547N/A1896-12-08