USD395576SExpiredUtility

Vacuum flask

85
Assignee: HUANG FRANK TEH-HSIUNGPriority: Jun 6, 1997Filed: Jun 6, 1997Granted: Jun 30, 1998
Est. expiryJun 6, 2017(expired)· nominal 20-yr term from priority
Inventors:Frank Teh-Hsiung Huang
85
PatentIndex Score
28
Cited by
19
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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