USD246252SExpiredUtility

Heater

77
Assignee: FIRMA ELEKTRO WARME TECHNIKPriority: Feb 13, 1975Filed: Aug 8, 1975Granted: Nov 1, 1977
Est. expiryFeb 13, 1995(expired)· nominal 20-yr term from priority
Inventors:Hans-Ulrich Schade
77
PatentIndex Score
13
Cited by
3
References
1
Claims

Claims

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

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