USD246986SExpiredUtility
Electric vaporizer
Individually held — no corporate assignee on recordPriority: Nov 22, 1976Filed: Nov 22, 1976Granted: Jan 17, 1978
Est. expiryNov 22, 1996(expired)· nominal 20-yr term from priority
Inventors:Hal F. Costello
87
PatentIndex Score
40
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an electric vaporizer, as shown and described.
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