Filter unit
Latest Hong Kong EcoAqua Co., Limited 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
U.S. Patent Documents
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Patent History
Patent number: D792943
Type: Grant
Filed: Apr 26, 2016
Date of Patent: Jul 25, 2017
Assignee: Hong Kong EcoAqua Co., Limited (Hong Kong)
Inventor: Zhibin Zou (Qingdao)
Primary Examiner: Robin V Webster
Application Number: 29/562,454
Type: Grant
Filed: Apr 26, 2016
Date of Patent: Jul 25, 2017
Assignee: Hong Kong EcoAqua Co., Limited (Hong Kong)
Inventor: Zhibin Zou (Qingdao)
Primary Examiner: Robin V Webster
Application Number: 29/562,454
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)