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
U.S. Patent Documents
Foreign Patent Documents
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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
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
Current U.S. Class:
Vent, Ductwork, Or Element Thereof (D23/393)