USD365721SExpiredUtility

Vacuum flask

89
Assignee: HUANG FRANK T HPriority: Oct 19, 1994Filed: Oct 19, 1994Granted: Jan 2, 1996
Est. expiryOct 19, 2014(expired)· nominal 20-yr term from priority
Inventors:Frank Teh-Hsiung Huang
89
PatentIndex Score
32
Cited by
13
References
1
Claims

Claims

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

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