USD498131SExpiredUtility
Manhole lift insert with frangible positioner
Est. expiryJun 26, 2023(expired)· nominal 20-yr term from priority
51
PatentIndex Score
8
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a manhole lift insert with frangible positioner, as shown and described.
Join the waitlist — get patent alerts
Track USD498131S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.