Square bottom double wall tumbler
Description
The broken lines in the drawings depict the bracket portion of the exploded view only and form no part of the claimed design.
Claims
The ornamental design for a square bottom double wall tumbler, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- https://www.youtube.com/watch?v=CkWXWnp-xaw (Year: 2019).
Patent History
Patent number: D935845
Type: Grant
Filed: Oct 25, 2019
Date of Patent: Nov 16, 2021
Inventor: Pengcheng Chen (Shenzhen)
Primary Examiner: Jae Liang
Application Number: 29/710,721
Type: Grant
Filed: Oct 25, 2019
Date of Patent: Nov 16, 2021
Inventor: Pengcheng Chen (Shenzhen)
Primary Examiner: Jae Liang
Application Number: 29/710,721
Classifications
Current U.S. Class:
D7/510;
D7/511