Air filter having fan incorporated therein

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of the air filter having fan incorporated therein showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D207360 April 1967 Rawson, Jr.
D282102 January 7, 1986 Yuen
D310713 September 18, 1990 Klein
D325432 April 14, 1992 Cook
2968457 January 1961 Krauss
3523409 August 1970 Paterson
3577710 May 1971 Feldman
4084491 April 18, 1978 Spotts et al.
4477272 October 16, 1984 Hollis et al.
Other references
  • Lakewood Catalogue, p. 6, model P-222, Group 2900 Ventilation boxes Oct. 1987.
Patent History
Patent number: D377390
Type: Grant
Filed: May 8, 1995
Date of Patent: Jan 14, 1997
Inventor: James V. Ketcham (Gladstone, MI)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Cynthia E. Ramirez
Attorney: James A. Hudak
Application Number: 0/38,530