USD304230SExpiredUtility

Ceramic heating element

73
Assignee: WANG TIMPriority: Oct 21, 1987Filed: Oct 21, 1987Granted: Oct 24, 1989
Est. expiryOct 21, 2007(expired)· nominal 20-yr term from priority
Inventors:Tim Wang
73
PatentIndex Score
15
Cited by
7
References
1
Claims

Claims

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

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