Filter
Description
The broken lines in
Claims
The ornamental design for a filter, as shown and described.
Referenced Cited
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Patent History
Patent number: D657843
Type: Grant
Filed: Sep 21, 2010
Date of Patent: Apr 17, 2012
Assignee: Pioneer Pet Products, LLC (Cedarburg, WI)
Inventors: John M. Lipscomb (Cedarburg, WI), Qing He (North Andover, MA)
Primary Examiner: Robin V Webster
Attorney: Boyle Fredrickson, S.C.
Application Number: 29/375,383
Type: Grant
Filed: Sep 21, 2010
Date of Patent: Apr 17, 2012
Assignee: Pioneer Pet Products, LLC (Cedarburg, WI)
Inventors: John M. Lipscomb (Cedarburg, WI), Qing He (North Andover, MA)
Primary Examiner: Robin V Webster
Attorney: Boyle Fredrickson, S.C.
Application Number: 29/375,383
Classifications