USD253907SExpiredUtility

Vaporizer for a combustion system

32
Assignee: WENTWORTH JR FRED APriority: Jul 21, 1977Filed: Jul 21, 1977Granted: Jan 8, 1980
Est. expiryJul 21, 1997(expired)· nominal 20-yr term from priority
Inventors:Fred A. Wentworth, Jr.Paul Heald
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PatentIndex Score
3
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a vaporizer for a combustion system, as shown.

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