USD428858SExpiredUtility

Quartz fin heat retaining tube

50
Assignee: TOKYO ELECTRON LTDPriority: Jan 31, 1997Filed: Jul 24, 1997Granted: Aug 1, 2000
Est. expiryJan 31, 2017(expired)· nominal 20-yr term from priority
Inventors:Katsutoshi Ishii
50
PatentIndex Score
7
Cited by
4
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD428858S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.