USD422689SExpiredUtility
Laboratory evaporator device
Individually held — no corporate assignee on recordPriority: Sep 7, 1999Filed: Sep 7, 1999Granted: Apr 11, 2000
Est. expirySep 7, 2019(expired)· nominal 20-yr term from priority
Inventors:Felix H. Yiu
29
PatentIndex Score
1
Cited by
18
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a laboratory evaporator device, as shown and described.
Join the waitlist — get patent alerts
Track USD422689S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.