Air treatment system filter
United States Patent D810908

Mork, Steve O. (Lowell, MI, US)
Evans, Gregory K. (Alto, MI, US)
Teerman, Austin Levi (Zeeland, MI, US)
Application Number:
Publication Date:
Filing Date:
Access Business Group International LLC (Ada, MI, US)
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D23/200, D23/259, D23/324, D23/355-366, D23/386-388, D23/314, D23/325
View Patent Images:
US Patent References:
D796022Magnetic vent filterAugust, 2017DeChristofaroD23/365
D754315FilterApril, 2016MorinD23/365
20120151889Filter Recongnition SystemJune, 2012Horey55/467
8172919Window filter apparatusMay, 2012Ruiz55/315
8021455Filter element and methodSeptember, 2011Adamek55/486
D300848Air filter caseApril, 1989BakerD23/365
0290745N/AJuly, 1987Whitley, IID12/317
D256943FilterSeptember, 1980Angelinetta23/209

Primary Examiner:
Spear, Robert M.
Assistant Examiner:
Voytek, John A.
Attorney, Agent or Firm:
Warner Norcross & Judd LLP

1. The ornamental design for air treatment system filter, as shown and described.


FIG. 1 is a front perspective view of the air treatment system filter of the new design;

FIG. 2 is a front elevational view, the back side being a mirror image thereof;

FIG. 3 is a right side elevational view, the left side being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.