USD277130SExpiredUtility
Fan-forced heater
Assignee: ELEKTRO WARMETECHNIK SIEGFRIED PETZ COPriority: Sep 12, 1981Filed: Mar 17, 1982Granted: Jan 8, 1985
Est. expirySep 12, 2001(expired)· nominal 20-yr term from priority
Inventors:Hans-Ulrich Schade
67
PatentIndex Score
12
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a fan-forced heater, as shown in the accompanying drawing.
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