USD312869SExpiredUtility

Oxy-fuel burner for use in a metallurgical furnace

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Assignee: AIR PROD & CHEMPriority: Nov 16, 1987Filed: Nov 16, 1987Granted: Dec 11, 1990
Est. expiryNov 16, 2007(expired)· nominal 20-yr term from priority
Inventors:Joseph Scott BeckerArthur J. McafeeMark B. WellsThomas C. KiddJohn C. Mullane, Jr.
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PatentIndex Score
2
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an oxy-fuel burner for use in a metallurgical furnace, as shown.

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