USD456499SExpiredUtility
Electric ceramic heater
Est. expiryJan 24, 2021(expired)· nominal 20-yr term from priority
Inventors:Chan Ching
74
PatentIndex Score
19
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for electric ceramic heater, as shown and descried.
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