USD384238SExpiredUtility

Vacuum flask

52
Assignee: HUANG FRANK TEH-HSIUNGPriority: Jun 24, 1996Filed: Jun 24, 1996Granted: Sep 30, 1997
Est. expiryJun 24, 2016(expired)· nominal 20-yr term from priority
Inventors:Frank Teh-Hsiung Huang
52
PatentIndex Score
7
Cited by
12
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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