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Electric Rail Vehicle

US 11,338,833 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 1, 2041 · High confidence

Filed Aug 24, 2021 as application 17/410,919 · Granted May 24, 2022
Base term, 20 years from filing
Today
20 years from filing
2021 2041
Clock starts
Jun 1, 2021
Term ends
Jun 1, 2041
Granted
May 24, 2022
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,325,624, to Jun 1, 2041. The term already ends on or before that date, so the cap shortened nothing.
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jun 1, 2021, when application 17/335,732, the earliest non-provisional in its chain, was filed (this one was filed Aug 24, 2021)Jun 1, 2041High 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 11,325,624)resolves to Jun 1, 2041, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 1, 2041High confidence

This family

US 11,325,624In force
Jun 2041
Jun 2041
US 11,338,833this patent
Jun 2041
Jun 2041
US 11,987,277In force
Jun 2041
Jun 2041
US 12,774,020In force
May 2042
May 2042
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
Sep 16, 2021
Reel 57501, frame 306
Soule, Matthew; Howard, John; Stabler, Benjamin Stuart; Ignaut, BrianParallel Systems, Inc.Assignment of Assignor's Interest
Dec 10, 2024
Reel 69535, frame 9
Parallel Systems, Inc.First-Citizens Bank & Trust CompanySecurity Interest
Aug 19, 2025
Reel 72062, frame 201
First-Citizens Bank & Trust Company (FKA: Silicon Valley Bank)Parallel Systems, Inc.Release of Security 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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