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US

Intelligent Railroad At-Grade Crossings

US 11,623,675 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded May 14, 2025 (Sip Mobility Platformco, LLC).

Term ends Oct 19, 2042 · High confidence

Filed Oct 19, 2022 as application 18/047,901 · Granted Apr 11, 2023
Base term, 20 years from filing
Today
20 years from filing
2022 2042
Clock starts
Oct 19, 2022
Term ends
Oct 19, 2042
Granted
Apr 11, 2023
base term fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Oct 19, 2022, when this application, 18/047,901, was filedOct 19, 2042High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 19, 2042High confidence

This family

US 11,623,675this patent
Oct 2042
Oct 2042
US 11,999,399In force
Oct 2042
Oct 2042
US 12,428,044In force
Oct 2042
Oct 2042
Application 19/318,845Pending
not computed
not computed
The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Nov 3, 2022
Reel 61650, frame 160
O'sullivan, Mathew; Kiley, DavidCavnue Technology, LLCAssignment of Assignor's Interest
May 14, 2025
Reel 71278, frame 907
Cavnue Technology, LLCSip Mobility Platformco, LLCSecurity Interest
Jan 29, 2026
Reel 74533, frame 139
Cavnue Technology, LLCSip Mobilityco Platformco, LLCAmendment No. 1 to Grant of Security Interest in Patents
Jan 30, 2026
Reel 74536, frame 444
Sip Mobilityco Platformco, LLCCavnue Technology, LLCRelease of Security Interest in Patents Recorded at R/F 71278/0907
Apr 9, 2026
Reel 74328, frame 202
Cavnue Technology, LLCGolub Capital Markets LLCSecurity Interest

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited