USD355248SExpiredUtility

Portable vaporizer

57
Assignee: DURACRAFT CORPPriority: Jun 11, 1993Filed: Jun 11, 1993Granted: Feb 7, 1995
Est. expiryJun 11, 2013(expired)· nominal 20-yr term from priority
Inventors:Jui-Shang WangRichard M. O'Grady
57
PatentIndex Score
8
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable vaporizer, as shown and described.

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