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Hybrid Vehicle Drive System and Method Using Split Shaft Power Take Off

US 9,878,616 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Odyne Systems, LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Collateral for a security interest recorded Jan 7, 2019 (Allison Transmission, Inc.).

Term ends Nov 25, 2034 · High confidence

Filed Nov 18, 2014 as application 14/547,025 · Granted Jan 30, 2018
Base term plus 7 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2034
Clock starts
Nov 18, 2014
Term ends
Nov 25, 2034
Granted
Jan 30, 2018
base term fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
7
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
2
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 runs 7 days past its 20-year base term on prosecution delay. 2 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 Nov 18, 2014, when this application, 14/547,025, was filedNov 18, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+7 days, USPTO patent term adjustment recordNov 25, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderNov 25, 2034High confidence

This family

US 9,878,616this patent
Nov 2034
Nov 2034
US 10,427,520In force
Nov 2034
Nov 2034
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
Feb 23, 2016
Reel 37805, frame 66
Odyne Systems LLCPower Technology Holdings LLCAssignment of Assignor's Interest
Aug 8, 2016
Reel 39372, frame 201
Dalum, Joseph ThomasOdyne Systems, LLCNunc Pro Tunc Assignment
Jan 7, 2019
Reel 47920, frame 546
Odyne Systems, LLCAllison Transmission, Inc.Security Interest
Jan 7, 2019
Reel 47920, frame 678
Power Technology Holdings, LLCAllison Transmission, Inc.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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited