Filter unit
Latest QINGDAO ECOPURE FILTER CO., LTD Patents:
Description
The broken lines in the drawing depict portions of the filter unit that form no part of the claimed design.
Claims
The ornamental design for a filter unit, as shown and described.
Referenced Cited
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Patent History
Patent number: D878517
Type: Grant
Filed: Apr 12, 2018
Date of Patent: Mar 17, 2020
Assignee: QINGDAO ECOPURE FILTER CO., LTD (Jimo, Qingdao)
Inventor: Zhibin Zou (Qingdao)
Primary Examiner: Shannon W Morgan
Assistant Examiner: Keith J Wilson
Application Number: 29/643,867
Type: Grant
Filed: Apr 12, 2018
Date of Patent: Mar 17, 2020
Assignee: QINGDAO ECOPURE FILTER CO., LTD (Jimo, Qingdao)
Inventor: Zhibin Zou (Qingdao)
Primary Examiner: Shannon W Morgan
Assistant Examiner: Keith J Wilson
Application Number: 29/643,867
Classifications