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
Patent History
Patent number: D807474
Type: Grant
Filed: May 24, 2017
Date of Patent: Jan 9, 2018
Assignee: Hong Kong Ecoaqua Co., Limited (Chai Wan)
Inventor: Zhibin Zou (Qingdao)
Primary Examiner: Robin V Webster
Application Number: 29/605,231
Type: Grant
Filed: May 24, 2017
Date of Patent: Jan 9, 2018
Assignee: Hong Kong Ecoaqua Co., Limited (Chai Wan)
Inventor: Zhibin Zou (Qingdao)
Primary Examiner: Robin V Webster
Application Number: 29/605,231
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)