US 7,320,720 B2
Interlocking filtration device
Kirk Ticknor, 4800 Tumberry La., Columbus, Ga. 31909 (US)
Filed on Oct. 17, 2005, as Appl. No. 11/252,145.
Prior Publication US 2007/0084167 A1, Apr. 19, 2007
Int. Cl. B01D 50/00 (2006.01); B01D 46/00 (2006.01)
U.S. Cl. 55—483  [55/484; 55/502; 55/503; 55/511; 55/DIG. 31] 16 Claims
OG exemplary drawing
 
1. A filter device comprising:
a filtration substrate portion;
a filtration substrate retention frame; and
at least one flap disposed along the length of at least one sidewall of said frame, said at least one flap dimensioned to complementarily interweave with a flap of a second said filter device,
wherein said at least one flap of said frame and said flap of said second said filter device are inversely disposed along opposing sidewalls.