Air filtration system
Description
Claims
The ornamental design for an air filtration system, as shown and described.
Referenced Cited
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Patent History
Patent number: D906503
Type: Grant
Filed: May 21, 2019
Date of Patent: Dec 29, 2020
Inventor: Eric Rubin (Oakhurst, NJ)
Primary Examiner: John A Voytek
Application Number: 29/691,954
Type: Grant
Filed: May 21, 2019
Date of Patent: Dec 29, 2020
Inventor: Eric Rubin (Oakhurst, NJ)
Primary Examiner: John A Voytek
Application Number: 29/691,954
Classifications
Current U.S. Class:
Filter (D23/365)