USD426521SExpiredUtility

Quartz fin heat retaining tube

38
Assignee: TOKYO ELECTRON LTDPriority: Jan 31, 1997Filed: Jul 24, 1997Granted: Jun 13, 2000
Est. expiryJan 31, 2017(expired)· nominal 20-yr term from priority
Inventors:Katsutoshi Ishii
38
PatentIndex Score
3
Cited by
4
References
1
Claims

Claims

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

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