USD1044407SActiveUtility

Double-layer vacuum flask

49
Assignee: CHANGZHOU BEITESIDA ELECTRONIC COMMERCE CO LTDPriority: Feb 10, 2022Filed: Feb 10, 2022Granted: Oct 1, 2024
Est. expiryFeb 10, 2042(~15.5 yrs left)· nominal 20-yr term from priority
Inventors:Chao He
49
PatentIndex Score
1
Cited by
45
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a double-layer vacuum flask, as shown and described.

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