Umbrella

Details Umbrella Umbrella

1996-05-28

1997-11-25

Mai, Lanna

Tent, canopy, umbrella, or cane

Umbrella

Having quick assembly feature

135 251, 135 26, 135 28, A45B 1300

Patent

active

056901313

ABSTRACT:
An improved umbrella is provided which consists of a fabric canopy, a central shank assembly and a mechanism for deploying the fabric canopy from and retracting the fabric canopy into the top of the central shank assembly.

REFERENCES:
patent: 1937363 (1933-11-01), Seraphim
patent: 2183833 (1939-12-01), Farhar
patent: 3709238 (1973-01-01), Leopoldi et al.
patent: 4084600 (1978-04-01), dePolo
patent: 4259974 (1981-04-01), dePolo
patent: 4821756 (1989-04-01), England
patent: 4966179 (1990-10-01), Baldwin et al.
patent: 5188137 (1993-02-01), Simonelli
patent: 5285803 (1994-02-01), Baldwin et al.

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