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US

Intelligent Railroad At-Grade Crossings

US 11,999,399 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 Mar 6, 2023 as application 18/179,103 · Granted Jun 4, 2024
Base term, 20 years from filing
Today
20 years from filing
2022 2042
Clock starts
Oct 19, 2022
Term ends
Oct 19, 2042
Granted
Jun 4, 2024
base term 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,623,675, to Oct 19, 2042. The term already ends on or before that date, so the cap shortened nothing.
0 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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 3 maintenance fees are 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 application 18/047,901, the earliest non-provisional in its chain, was filed (this one was filed Mar 6, 2023)Oct 19, 2042High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 11,623,675)resolves to Oct 19, 2042, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 19, 2042High confidence

This family

US 11,623,675In force
Oct 2042
Oct 2042
US 11,999,399this patent
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
Mar 6, 2023
Reel 62895, frame 870
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.

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