Air purifying unit for removing smoke from the interior of a car

Description

FIG. 1 is a top, front and right side perspective view of an air purifying unit for removing smoke from the interior of a car showing my new design;

FIG. 2 is an enlarged front elevation view thereof;

FIG. 3 is an enlarged rear elevation view thereof;

FIG. 4 is an enlarged left side elevation view thereof;

FIG. 5 is an enlarged right side elevation view thereof;

FIG. 6 is an enlarged top plan view thereof; and,

FIG. 7 is an enlarged bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D169041 March 1953 Johnson
3807148 April 1974 Fike et al.
4201233 May 6, 1980 Jean
4570647 February 18, 1986 Pater
4643204 February 17, 1987 Ford
4722747 February 2, 1988 Armbruster
4890632 January 2, 1990 Diamond
Foreign Patent Documents
714619 1931 FRX
1241778 1960 FRX
70321 May 1980 JPX
Patent History
Patent number: D327536
Type: Grant
Filed: Apr 25, 1991
Date of Patent: Jun 30, 1992
Inventor: Shawn D. Smith (Littleton, CO)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorney: Terry M. Gernstein
Application Number: 7/691,117
Classifications
Current U.S. Class: Air Cleaner (D23/364)