Tent – canopy – umbrella – or cane – Umbrella – Combined
Patent
1995-02-06
1996-09-17
Mai, Lanna
Tent, canopy, umbrella, or cane
Umbrella
Combined
135 201, 135 332, A45B 300
Patent
active
055559034
ABSTRACT:
An aerodynamic umbrella having a curved canopy mounted on a horizontally disposed extension shaft which is rotatably mounted on a vertical mast, such canopy having a stabilizer member on the top thereof and being able to rotate the umbrella into the wind.
REFERENCES:
patent: 2756760 (1956-07-01), Grotteria
patent: 2871868 (1959-02-01), Faasse et al.
patent: 3765434 (1973-10-01), Riggs
patent: 4132236 (1979-01-01), Petersen et al.
patent: 4347862 (1982-09-01), Secon
patent: 4505285 (1985-03-01), French
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