Filter
Description
Claims
The ornamental design for a filter, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- AFS (Active Filtration System) [Apr. 20, 2021] found online [Apr. 20, 2021]—https://totalpetrokem.co.id/active-filtration-system/.
- MTE Catalyst top layer media [Apr. 20, 2021] found online [Apr. 20, 2021]—https://mte-process.com/mte-catalyst-support/.
- Intellishare Environmental Ceramic Monolith Catalyst [Apr. 20, 2021] found online [Apr. 20, 2021]—https://www.intellishare-env.com/heat-recovery-and-catalysts/ceramic-monolith-catalyst/.
Patent History
Patent number: D928912
Type: Grant
Filed: Feb 12, 2020
Date of Patent: Aug 24, 2021
Inventor: Mani Erfan (Friendswood, TX)
Primary Examiner: John A Voytek
Application Number: 29/724,093
Type: Grant
Filed: Feb 12, 2020
Date of Patent: Aug 24, 2021
Inventor: Mani Erfan (Friendswood, TX)
Primary Examiner: John A Voytek
Application Number: 29/724,093
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)