Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1979-05-25
1980-09-23
Bell, J. Karl
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
4599, 135 8, E04H 112
Patent
active
042236908
ABSTRACT:
A portable enclosure which may be erected upon uneven terrain in the outdoors where curtained compartments may be utilized as shower and dressing areas in recreational and camping environments.
REFERENCES:
patent: 351860 (1886-11-01), Glidden
patent: 548190 (1895-10-01), Grant
patent: 675060 (1901-05-01), Gartrell et al.
patent: 827753 (1906-08-01), Russegue
patent: 2509759 (1950-05-01), Church
patent: 2770244 (1956-11-01), Carson
Dutton Billy J.
Wera Glenn P.
Bell J. Karl
Grauer Paul W.
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