Title:
Filter unit
United States Patent D654565


Inventors:
Kruckenberg, Christopher A. (Newburgh, IN, US)
Spindler, Jeffrey A. (Haubstadt, IN, US)
Application Number:
29/401796
Publication Date:
02/21/2012
Filing Date:
09/15/2011
Assignee:
Whirlpool Corporation (Benton Harbor, MI, US)
Primary Class:
Other Classes:
D09/538, D09/540
International Classes:
(IPC1-7): 2301
Field of Search:
D23/207, D23/209, D7/510, D9/516, D9/552, D9/523, D9/556, D9/538, D9/540, D9/682, D9/688, D9/690, D9/692, D9/693, 210/232, 210/282, 210/429, 210/435
View Patent Images:
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Foreign References:
CN2889448April, 2007
WO/2010/056711May, 2010FILTER CARTRIDGE CENTERING DEVICE
Primary Examiner:
Webster, Robin V.
Attorney, Agent or Firm:
Goodwin, Kirk W.
Price Heneveld LLP
Claims:
CLAIM

1. We claim the ornamental design for a filter unit, as shown and described.

Description:

FIG. 1 is a top perspective view of a filter unit of the present invention;

FIG. 2 is a front elevational view of the filter unit of FIG. 1;

FIG. 3 is a rear elevational view of the filter unit of FIG. 1;

FIG. 4 is a first side elevational view of the filter unit of FIG. 1;

FIG. 5 is a second side elevational view of the filter unit of FIG. 1;

FIG. 6 is a top plan view of the filter unit of FIG. 1; and,

FIG. 7 is a bottom plan view of the filter unit of FIG. 1.

The broken line showing is included for the purpose of illustrating and forms no part of the claimed design.