Air cleaning and filtering unit to be mounted to underside of car roof to remove smoke

Description

FIG. 1 is a front elevational view of an air cleaning and filtering unit to be mounted to underside of car roof to remove smoke showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D258759 March 31, 1981 Johnson
1999770 April 1935 Littleton
3722182 March 1973 Gilbertson
4047913 September 13, 1977 Okumura
4252547 February 24, 1981 Johnson
4547208 October 15, 1985 Dace
4790863 December 13, 1988 Nobiraki et al.
Other references
  • Symbol Sourcebook, .COPYRGT.1972, p. 95, Oasis Symbol, top right side of page.
Patent History
Patent number: D329085
Type: Grant
Filed: Jul 20, 1990
Date of Patent: Sep 1, 1992
Inventor: Terry L. Lewis (Lebanon, OH)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorney: Leon Gilden
Application Number: 7/555,153
Classifications
Current U.S. Class: Filter (D23/365)