Air louver

Details Air louver Air louver

2006-11-27

2009-06-02

Nelson, T. Chase (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

D0593673

CLAIM:
The ornamental design for an air louver, as shown and described.

REFERENCES:
patent: D268952 (1983-05-01), Anderson
patent: D307632 (1990-05-01), Schulz
patent: D336761 (1993-06-01), Chan
patent: 5792230 (1998-08-01), Moore et al.
patent: D413665 (1999-09-01), Hudson
patent: D444872 (2001-07-01), Webb
patent: D449880 (2001-10-01), Webb
patent: D452305 (2001-12-01), Webb
patent: D468417 (2003-01-01), Wolf et al.
patent: D475131 (2003-05-01), Pilger
patent: 6652375 (2003-11-01), Donnelly
patent: D518566 (2006-04-01), Bratton et al.
patent: 2006/0199525 (2006-09-01), Marcoux et al.

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