Air filtration device

Information

FIG. 1 is a top perspective view of an air filtration device in accordance with our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left-side elevational view thereof, a right-side elevational view thereof being a mirror image; and,

FIG. 6 is a rear elevational view thereof.

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design.

Number	Name	Date	Kind
1769409	Armstrong	Jul 1930	A
D114598	Myers	May 1939	S
2222882	Shames	Nov 1940	A
2247600	Brennan et al.	Jul 1941	A
D136877	Estes	Dec 1943	S
D152787	Kangas	Feb 1949	S
2581684	McKenzie	Jan 1952	A
2765046	Rondholz	Oct 1956	A
3729558	Hurson	Apr 1973	A
4065262	Petroff	Dec 1977	A
4118226	Bourassa	Oct 1978	A
4563333	Frigon	Jan 1986	A
5062272	Burns	Nov 1991	A
5087273	Ward	Feb 1992	A
5174462	Hames	Dec 1992	A
D347055	Jarvis	May 1994	S
D354344	Fritz et al.	Jan 1995	S
5422078	Colon	Jun 1995	A
5468447	Bermas	Nov 1995	A
5492675	Brizard	Feb 1996	A
5547636	Vick et al.	Aug 1996	A
6286330	Kopf	Sep 2001	B1
6346143	McGowan	Feb 2002	B1
6547857	Gieseke et al.	Apr 2003	B2