USD252641SExpiredUtility

Heat recirculator

Assignee: BROAN MFG CO INCPriority: Feb 9, 1977Filed: Feb 9, 1977Granted: Aug 14, 1979

Est. expiryFeb 9, 1997(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a heat recirculator, as shown.

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