USD279703SExpiredUtility

Furnace combustion chamber

39
Assignee: LENNOX IND INCPriority: Dec 30, 1982Filed: Dec 30, 1982Granted: Jul 16, 1985
Est. expiryDec 30, 2002(expired)· nominal 20-yr term from priority
Inventors:Floyd E. CheringtonCharles W. AdamsJames J. Mullen
39
PatentIndex Score
2
Cited by
11
References
1
Claims

Claims

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

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