Refrigerator filter
Description
Claims
The ornamental design for a refrigerator filter, as shown and described.
Referenced Cited
Patent History
Patent number: D857840
Type: Grant
Filed: Feb 22, 2018
Date of Patent: Aug 27, 2019
Inventor: Ying Lu (Tianjin)
Primary Examiner: Robin V Webster
Application Number: 29/637,846
Type: Grant
Filed: Feb 22, 2018
Date of Patent: Aug 27, 2019
Inventor: Ying Lu (Tianjin)
Primary Examiner: Robin V Webster
Application Number: 29/637,846
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)