Umbrella

Details Umbrella Umbrella

1980-08-21

1982-03-16

Bell, J. Karl

Tent, canopy, umbrella, or cane

Umbrella

Inflatable

A45B 2522, A45B 2300

Patent

active

043196004

ABSTRACT:
Umbrella having mechanism to cause the canopy to fold when subjected to extraordinary wind forces.

REFERENCES:
patent: 2595697 (1952-05-01), Pereira
patent: 2721569 (1955-10-01), Militano

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