Air filter
Latest K&N Engineering, Inc. Patents:
Description
The broken lines shown in the views depict environmental subject matter only and form no part of the claimed design.
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: D871454
Type: Grant
Filed: Oct 20, 2016
Date of Patent: Dec 31, 2019
Assignee: K&N Engineering, Inc. (Riverside, CA)
Inventor: Steve Williams (Beaumont, CA)
Primary Examiner: T Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/581,649
Type: Grant
Filed: Oct 20, 2016
Date of Patent: Dec 31, 2019
Assignee: K&N Engineering, Inc. (Riverside, CA)
Inventor: Steve Williams (Beaumont, CA)
Primary Examiner: T Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/581,649
Classifications
Current U.S. Class:
Element Or Attachment (D15/5)