USD429224SExpiredUtility

Quartz fin heat retaining tube

Assignee: TOKYO ELECTRON LTDPriority: Jan 31, 1997Filed: Jul 24, 1997Granted: Aug 8, 2000
Est. expiryJan 31, 2017(expired)· nominal 20-yr term from priority
40
PatentIndex Score
4
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
I claim the ornamental design for quartz fin heat retaining tube, as shown and described.

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