Panel filter

Details Panel filter Panel filter

1999-12-03

2001-04-03

Lichtenstein, Lisa (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0439963

CLAIM:
The ornamental design for a panel filter, as shown and described.

REFERENCES:
patent: 3397518 (1968-08-01), Rogers
patent: 4725296 (1988-02-01), Kurotobi
patent: 5620505 (1997-04-01), Koch et al.
patent: 5667545 (1997-09-01), Honda et al.
patent: 5674302 (1997-10-01), Nakayama et al.
patent: 5679122 (1997-10-01), Moll et al.
patent: 5741351 (1998-04-01), Beal et al.
patent: 5782944 (1998-07-01), Justice
patent: 5792229 (1998-08-01), Sassa et al.
patent: 5795361 (1998-08-01), Lanier, Jr. et al.
patent: WO 99/00587 (1999-01-01), None

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