Air purifier filter housing
Description
The broken lines depict portions of the air purifier filter housing that form no part of the claimed design.
Claims
The ornamental design for an air purifier filter housing, as shown and described.
Referenced Cited
U.S. Patent Documents
D380536 | July 1, 1997 | Ellwood |
D437027 | January 30, 2001 | Flagler |
D762832 | August 2, 2016 | Gale |
D763425 | August 9, 2016 | Ko |
D831812 | October 23, 2018 | Stanhope |
20090217926 | September 3, 2009 | Hine |
20180236275 | August 23, 2018 | Song |
Patent History
Patent number: D896944
Type: Grant
Filed: May 14, 2019
Date of Patent: Sep 22, 2020
Inventor: Gwo-Tzong Hwang (Potomac, MD)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/651,862
Type: Grant
Filed: May 14, 2019
Date of Patent: Sep 22, 2020
Inventor: Gwo-Tzong Hwang (Potomac, MD)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/651,862
Classifications
Current U.S. Class:
Filter (D23/365)