Outdoor air intake valve

Description

FIG. 1 is a top, front and left side perspective view of an outdoor air intake valve showing my design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a bottom, front and left side perspective view thereof;

FIG. 4 is a top, rear and left side perspective view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
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Foreign Patent Documents
47908 August 1979 NLX
Patent History
Patent number: D321551
Type: Grant
Filed: Jul 15, 1988
Date of Patent: Nov 12, 1991
Assignee: Fresh Sweden AB (Halmstad)
Inventor: Hans Lundin (Halmstad)
Primary Examiner: James R. Largen
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt
Application Number: 7/219,465
Classifications