Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1979-02-28
1980-09-16
Bell, J. Karl
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
A45F 100
Patent
active
042224012
ABSTRACT:
A portable shelter for example, for military use, designed to be carried in a compact collapsed state by the user, for example, a soldier and which can be readily erected so as to provide the user with a maximum amount of protection for example, under combat conditions.
REFERENCES:
patent: 659981 (1900-10-01), McCall
patent: 2268317 (1941-12-01), Till
patent: 2420898 (1947-05-01), Miner
patent: 2792844 (1957-05-01), Clark
patent: 3480023 (1969-11-01), McConnell et al.
patent: 3586013 (1971-06-01), Gladden
patent: 3990463 (1976-11-01), Norman
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