USD249358SExpiredUtility

Combined heat exchanger and fireplace grate

Assignee: LIBERTY FOUNDRY COPriority: Nov 18, 1976Filed: Nov 18, 1976Granted: Sep 12, 1978
Est. expiryNov 18, 1996(expired)· nominal 20-yr term from priority
23
PatentIndex Score
2
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined heat exchanger and fireplace grate, as shown and described.

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