USD457452SExpiredUtility
Rotameter tube O-ring retention
Priority: Mar 31, 2001Filed: Mar 31, 2001Granted: May 21, 2002
Est. expiryMar 31, 2021(expired)· nominal 20-yr term from priority
Inventors:Tom Christiansen
73
PatentIndex Score
19
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a “rotameter tube O-ring retention”, as shown and described.
Join the waitlist — get patent alerts
Track USD457452S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.