Portable fan

Details Portable fan Portable fan

1993-11-23

1994-12-27

Lichtenstein, Lisa P.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23332, D23370

Patent

active

D03538850

REFERENCES:
patent: D182029 (1958-02-01), Kirk
patent: D205168 (1966-06-01), Schreckengost
patent: D254566 (1980-03-01), Cummins
patent: D271133 (1983-10-01), Pataki
patent: D286673 (1986-11-01), Kahn
patent: D325432 (1992-04-01), Cook
patent: 2985092 (1957-09-01), Gamache
patent: 4120615 (1978-10-01), Keem et al.
Hong Kong Enterprise Feb. 1993, p. 190, Box Fan A, bottom right side of page, also p. 120, Fan Heater B, top right side of page.
Advertisement Marvin 3000, Published by W. B. Marvin Manufacturing Company, Oct. 1992.
Advertisement Marvin-486, Published by W. B. Marvin Manufacturing Company, Oct. 1993.
Photocopies of Duracraft 10" Box Fan Owner's Manual, published Oct., 1991 by Duracraft Corp. and Photocopies of box front and sides which contained the Owner's Manual.

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