Air cleaner

Details Air cleaner Air cleaner

1995-08-15

1997-01-21

Lichtenstein, Lisa P.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

D23355, D23370, D23382

Patent

active

D03775232

REFERENCES:
patent: D186595 (1959-11-01), Monson
patent: D274353 (1984-06-01), Hoyle et al.
patent: D274837 (1984-07-01), Lynch et al.
patent: D343448 (1994-01-01), Jurisch et al.
patent: D343677 (1994-01-01), Gyori et al.
patent: D355962 (1995-02-01), Chiu et al.
patent: 3597902 (1971-08-01), Williams
patent: 4385911 (1983-05-01), Popeil et al.
patent: 4473382 (1984-09-01), Cheslocf
patent: 4477270 (1984-10-01), Tauch
patent: 4629482 (1986-12-01), Davis
patent: 5435817 (1995-07-01), Davis et al.
Advertisement from Service.RTM. Merchandise 1993/1994 catalog for Enviracaire.RTM. air cleaners which purportedly embody U.S. Pat. No. 4,629,482 to Davis.
Advertisement from Grainger.RTM. 1994 General Catalog No. 385 for Dayton Quiet 12" Hassock Fan (stock No. 4C509).

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