Off ridge vent

Details Off ridge vent Off ridge vent

2007-04-16

2010-06-29

Nelson, T. Chase (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0618780

CLAIM:
The ornamental design for off ridge vent, as shown and described.

REFERENCES:
patent: D30059 (1899-01-01), Petersen et al.
patent: 2300842 (1942-11-01), Leslie
patent: 2490220 (1949-12-01), Leslie
patent: 2551223 (1951-05-01), Schneider
patent: 2551965 (1951-05-01), Petersen et al.
patent: D285834 (1986-09-01), Morgan
patent: 5591080 (1997-01-01), Ward
patent: 5630752 (1997-05-01), Gubash
patent: D433496 (2000-11-01), Hadley
patent: D448468 (2001-09-01), Koessler
patent: 6733381 (2004-05-01), Ploeger
patent: D549316 (2007-08-01), O'Hagin et al.
patent: 2005/0233691 (2005-10-01), Horton

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