Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1978-12-22
1980-11-11
Bell, J. Karl
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
5113, 5414, 5418, 135 71R, A47C 2900
Patent
active
042326923
ABSTRACT:
Disclosed herein is a framework which forms a support for mosquito netting or the like. The framework includes an inverted U-shaped end piece having two upwardly turning support ribs originating from the ends of the end piece. The framework is able to be interconnected and means are disclosed for the easy fabrication and disassembly thereof.
REFERENCES:
patent: 368206 (1887-08-01), Hardy
patent: 385633 (1888-07-01), Kelly et al.
patent: 508072 (1893-11-01), Willingham
patent: 560245 (1896-05-01), Wagner
patent: 1039993 (1912-10-01), Murphy
patent: 1732716 (1929-10-01), Ealy
patent: 2301511 (1942-11-01), Boyce
patent: 2357056 (1944-08-01), Nelson
patent: 2737193 (1956-03-01), Boyd
patent: 3860980 (1975-01-01), Ebert
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