Filter
Description
The broken line in
Claims
The ornamental design for a filter, as shown and described.
Referenced Cited
Patent History
Patent number: D644713
Type: Grant
Filed: Jan 21, 2010
Date of Patent: Sep 6, 2011
Inventors: Frank A. Walton (Ft. Worth, TX), Jay A. Rasmussen (Richardson, TX)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Maurice Stevens
Attorney: Klein, DeNatale, et al.
Application Number: 29/354,264
Type: Grant
Filed: Jan 21, 2010
Date of Patent: Sep 6, 2011
Inventors: Frank A. Walton (Ft. Worth, TX), Jay A. Rasmussen (Richardson, TX)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Maurice Stevens
Attorney: Klein, DeNatale, et al.
Application Number: 29/354,264
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)