USD247973SExpiredUtility

Combined fireplace front and heat exchange grate

48
Assignee: THERMOGRATE INCPriority: Feb 3, 1977Filed: Feb 3, 1977Granted: May 23, 1978
Est. expiryFeb 3, 1997(expired)· nominal 20-yr term from priority
Inventors:Theodore R. Bergstrom
48
PatentIndex Score
5
Cited by
7
References
1
Claims

Claims

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

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