USD418358SExpiredUtility

Vacuum flask

90
Assignee: HUANG FRANK TEH-HSIUNGPriority: May 12, 1998Filed: May 12, 1998Granted: Jan 4, 2000
Est. expiryMay 12, 2018(expired)· nominal 20-yr term from priority
Inventors:Frank Teh-Hsiung Huang
90
PatentIndex Score
37
Cited by
5
References
1
Claims

Claims

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

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