Filter for air purification
Latest WOONGJIN COWAY CO., LTD. Patents:
Description
The broken lines in the figures form no part of the claimed design.
Claims
The ornamental design for an filter for air purification filter, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Washable permanent pre-filter reference [Apr. 8, 2021] found online [Apr. 8, 2021]—https://afresherhome.com/winix-5500-2-air-purifier-review/.
- Fujitsu K9315014016 Standard Washable Air Filter [Apr. 8, 2021] found online [Apr. 8, 2021]—https://www.amazon.com/Fujitsu-K9315014016-Standard-Washable-Filter/dp/B00MPS5A9Q.
- Whirlpool True Hepa Filter [Apr. 8, 2021] found online [Apr. 8, 2021]—https://atomicfilters.com/blogs/news/genuine-whirlpool-1183054k-true-hepa-filter-replacement-filter-for-whispure-510.
Patent History
Patent number: D938005
Type: Grant
Filed: Jan 17, 2020
Date of Patent: Dec 7, 2021
Assignee: WOONGJIN COWAY CO., LTD. (Choongcheongnam-do)
Inventors: Mi-youn Kyung (Seoul), Jeongeun Park (Seoul)
Primary Examiner: John A Voytek
Application Number: 29/721,076
Type: Grant
Filed: Jan 17, 2020
Date of Patent: Dec 7, 2021
Assignee: WOONGJIN COWAY CO., LTD. (Choongcheongnam-do)
Inventors: Mi-youn Kyung (Seoul), Jeongeun Park (Seoul)
Primary Examiner: John A Voytek
Application Number: 29/721,076
Classifications
Current U.S. Class:
Filter (D23/365)