USD248043SExpiredUtility
Heater
Assignee: FIRMA ELEKTRO WARME TECHNIK SIEGFRIED PETZPriority: Mar 8, 1976Filed: Jul 27, 1976Granted: May 30, 1978
Est. expiryMar 8, 1996(expired)· nominal 20-yr term from priority
Inventors:Hans-Ulrich Schade
83
PatentIndex Score
20
Cited by
0
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a heater, as shown.
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