Refrigerator filter
Latest TIANJIN TIANCHUANG BEST PURE ENVIRONMENTAL SCIENCE AND TECHNOLOGY CO., LTD. Patents:
Description
Claims
The ornamental design for a refrigerator filter, as shown and described.
Referenced Cited
Patent History
Patent number: D861127
Type: Grant
Filed: Feb 22, 2018
Date of Patent: Sep 24, 2019
Assignee: TIANJIN TIANCHUANG BEST PURE ENVIRONMENTAL SCIENCE AND TECHNOLOGY CO., LTD. (Tianjin)
Inventor: Ying Lu (Tianjin)
Primary Examiner: Robin V Webster
Application Number: 29/637,845
Type: Grant
Filed: Feb 22, 2018
Date of Patent: Sep 24, 2019
Assignee: TIANJIN TIANCHUANG BEST PURE ENVIRONMENTAL SCIENCE AND TECHNOLOGY CO., LTD. (Tianjin)
Inventor: Ying Lu (Tianjin)
Primary Examiner: Robin V Webster
Application Number: 29/637,845
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)