Mattress lifter
Description
Claims
The ornamental design for a mattress lifter, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D1018142
Type: Grant
Filed: Jul 8, 2022
Date of Patent: Mar 19, 2024
Inventor: Chengfeng Fang (Yiwu)
Primary Examiner: S. Bryan Reinholdt, Jr.
Assistant Examiner: Julia S Folkart
Application Number: 29/845,667
Type: Grant
Filed: Jul 8, 2022
Date of Patent: Mar 19, 2024
Inventor: Chengfeng Fang (Yiwu)
Primary Examiner: S. Bryan Reinholdt, Jr.
Assistant Examiner: Julia S Folkart
Application Number: 29/845,667
Classifications
Current U.S. Class:
D8/47;
D6/607