USD370590SExpiredUtility

Vacuum flask

48
Assignee: HUANG FRANK T -HPriority: Jun 5, 1995Filed: Jun 5, 1995Granted: Jun 11, 1996
Est. expiryJun 5, 2015(expired)· nominal 20-yr term from priority
Inventors:Frank Teh-Hsiung Huang
48
PatentIndex Score
6
Cited by
9
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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