Air filter
Description
Claims
The ornamental design for an air filter, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D725254
Type: Grant
Filed: Dec 18, 2012
Date of Patent: Mar 24, 2015
Inventor: Andrew Roblin (Bowmanville)
Primary Examiner: David Muller
Assistant Examiner: Nathan Johnston
Application Number: 29/440,000
Type: Grant
Filed: Dec 18, 2012
Date of Patent: Mar 24, 2015
Inventor: Andrew Roblin (Bowmanville)
Primary Examiner: David Muller
Assistant Examiner: Nathan Johnston
Application Number: 29/440,000
Classifications
Current U.S. Class:
Filter (D23/365)