Grill for a window fan

Details Grill for a window fan Grill for a window fan

1998-06-24

1999-04-27

Lichtenstein, Lisa

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D23381, D25 53, 2304

Patent

active

D04089073

REFERENCES:
patent: Re34551 (1994-02-01), Coup et al.
patent: D312124 (1990-11-01), Coup et al.
patent: D325629 (1992-04-01), Coup et al.
patent: D329089 (1992-09-01), Coup et al.
patent: D336512 (1993-06-01), Cunning
patent: D337819 (1993-07-01), Cunning
patent: 2100994 (1937-11-01), Cohen
patent: 5118252 (1992-06-01), Chaney
U.S. Trademark Registration No. 1,697,509 registered Jun. 30, 1923 to Vornado Air Circulation Systems, Inc. for two-dimensional representation of grill design.
U.S. Configuration Trademark Application Serial No. 74/508,915 filed Apr. 4, 1994 to Duracraft Corporation for Portable Electrical Fans; abandoned Apr. 28, 1995.

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