Air filter

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

FIG. 1 is a perspective view of the air filter showing our new design;

FIG. 2 is a view of one side of our design, the opposite side being a mirror image thereof;

FIG. 3 is a view of one end of our design, the other end being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

Claims

The ornamental design of the air filter, as shown and described.

Referenced Cited
U.S. Patent Documents
30782 November 1860 Wright
2058669 October 1936 Dollinger
2082481 June 1937 Christofferson
3164456 January 1965 Brainerd, Jr. et al.
3344590 October 1967 Smith et al.
3392846 July 1968 Getzin
3679057 July 1972 Perez
3712033 January 1973 Gronholz
3853529 December 1974 Boothe et al.
3941571 March 2, 1976 Getzin
3999964 December 28, 1976 Carr
4135900 January 23, 1979 Westlin et al.
4199387 April 22, 1980 Hladik
4210067 July 1, 1980 Evans, Jr.
4678578 July 7, 1987 Nodes
4731047 March 15, 1988 Lobb
4798575 January 17, 1989 Siversson
4817942 April 4, 1989 Begon
4976677 December 11, 1990 Siversson
5230800 July 27, 1993 Nelson
5389175 February 14, 1995 Wenz
5397632 March 14, 1995 Murphy, Jr. et al.
5505852 April 9, 1996 Van Rossen
5507847 April 16, 1996 George
5509950 April 23, 1996 van de Graff et al.
5512075 April 30, 1996 Ninomiya
5597645 January 28, 1997 Pike et al.
5618324 April 8, 1997 Sommer et al.
5620505 April 15, 1997 Koch et al.
5704953 January 6, 1998 Stemmer
5709735 January 20, 1998 Midkiff et al.
5779747 July 14, 1998 Schlor
5814219 September 29, 1998 Friedmann
5820644 October 13, 1998 Mori et al.
5836861 November 17, 1998 Diaz
5868889 February 9, 1999 Kahler
6039779 March 21, 2000 Butz et al.
6152980 November 28, 2000 Culwell
D449100 October 9, 2001 Sundet et al.
6299660 October 9, 2001 Pfeuffer et al.
6319300 November 20, 2001 Chen
6398839 June 4, 2002 Choi et al.
D483103 December 2, 2003 Dalzell
6740136 May 25, 2004 Duffy
6740137 May 25, 2004 Kubokawa et al.
Patent History
Patent number: D544949
Type: Grant
Filed: Sep 10, 2004
Date of Patent: Jun 19, 2007
Assignee: Filtration Group Incorporated (Joliet, IL)
Inventors: Philip J. Winters (Lockport, IL), Kevin Hobbs (Minooka, IL), Michael Corbat (Naperville, IL), Dean Kerstetter (Windsor, CA)
Primary Examiner: Robin Webster
Attorney: Vedder Price Kaufman & Kammholz
Application Number: 29/212,999
Classifications
Current U.S. Class: Filter (D23/365)