USD257059SExpiredUtility

Heater

88
Assignee: FIRMA PETZ ELECTROPriority: Nov 3, 1977Filed: May 1, 1978Granted: Sep 23, 1980
Est. expiryNov 3, 1997(expired)· nominal 20-yr term from priority
Inventors:Hans-Ulrich Schade
88
PatentIndex Score
29
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a heater, as shown and described.

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