Air diffuser guard

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Description

FIG. 1 is a front perspective view of an air diffuser guard showing my new design;

FIG. 2 is an enlarged end elevational view thereof, the opposite end being a mirror image;

FIG. 3 is a front elevational view thereof, with the center portion broken away for ease of illustration, the rear elevational view being a mirror image;

FIG. 4 is a top plan view thereof, with the center portion broken away for ease of illustration; and,

FIG. 5 is a bottom plan view thereof, with the center portion broken away for ease of illustration.

Referenced Cited
U.S. Patent Documents
D235066 May 1975 Rasmussen
D235067 May 1975 Rasmussen
D322634 December 24, 1991 Callas
3386367 June 1968 Pellegrino
3502016 March 1970 Steele
3665969 May 1972 Clifford
4481871 November 13, 1984 Efstratis
4501195 February 26, 1985 Held
4655120 April 7, 1987 Lemmo
5188332 February 23, 1993 Callas
Patent History
Patent number: D387155
Type: Grant
Filed: Jun 21, 1993
Date of Patent: Dec 2, 1997
Inventor: Mike T. Callas (Edina, MN)
Primary Examiner: Lisa Lichtenstein
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 0/9,575