USD451040SExpiredUtility

Ruler with sliding bubble vials

43
Assignee: KAPRO IND LTDPriority: Jan 30, 2001Filed: Jan 30, 2001Granted: Nov 27, 2001
Est. expiryJan 30, 2021(expired)· nominal 20-yr term from priority
Inventors:Emanuel Szumer
43
PatentIndex Score
5
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a ruler with sliding bubble vials, as shown.

Join the waitlist — get patent alerts

Track USD451040S — get alerts on status changes and closely related new filings.

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