Filter unit
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Description
The broken line showing is included for the purpose of illustrating and forms no part of the claimed design.
Claims
We claim the ornamental design for a filter unit, as shown and described.
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Patent History
Patent number: D654559
Type: Grant
Filed: Sep 15, 2011
Date of Patent: Feb 21, 2012
Assignee: Whirlpool Corporation (Benton Harbor, MI)
Inventors: Christopher A. Kruckenberg (Newburgh, IN), Jeffrey A. Spindler (Haubstadt, IN)
Primary Examiner: Robin V Webster
Attorney: Price Heneveld LLP
Application Number: 29/401,777
Type: Grant
Filed: Sep 15, 2011
Date of Patent: Feb 21, 2012
Assignee: Whirlpool Corporation (Benton Harbor, MI)
Inventors: Christopher A. Kruckenberg (Newburgh, IN), Jeffrey A. Spindler (Haubstadt, IN)
Primary Examiner: Robin V Webster
Attorney: Price Heneveld LLP
Application Number: 29/401,777
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209);
D9/538;
D9/540