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US

Parallel Hybrid Drive System Utilizing Power Take Off Connection as Transfer for a Secondary Energy Source

US 8,818,588 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jan 7, 2019 (Allison Transmission, Inc.).

Term ends Jan 30, 2030 · High confidence

Filed Jul 3, 2008 as application 12/217,407 · Granted Aug 26, 2014
Base term plus 576 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2008 2030
Clock starts
Jul 3, 2008
Term ends
Jan 30, 2030
Granted
Aug 26, 2014
base term patent term adjustment 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
576
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
17
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 576 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jul 3, 2008, when this application, 12/217,407, was filedJul 3, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+576 days, USPTO patent term adjustment recordJan 30, 2030High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 30, 2030High confidence

This family

US 7,928,148In force
Nov 2027
Nov 2027
US 8,978,798In force
Mar 2031
Mar 2031
Application 12/130,088Abandoned
not computed
not computed
US 8,153,847In force
May 2030
May 2030
US 8,818,588this patent
Jan 2030
Jan 2030
Application PCT/US2008/008442PCT application
no patent term
no patent term
Application PCT/US2009/066151PCT application
no patent term
no patent term
US 8,408,341In force
no later than Jan 2029
no later than Jan 2029
8 of 17 applications in this family shown, earliest filings first. 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
Aug 19, 2008
Reel 21406, frame 944
Ambrosio, Joseph MarioOdyne CorporationAssignment of Assignor's Interest
Jun 5, 2009
Reel 22786, frame 226
Odyne CorporationDony, LLCAssignment of Assignor's Interest
Jun 5, 2009
Reel 22786, frame 268
Dony, LLCOdyne Systems, LLCChange of Name
Jun 25, 2014
Reel 33179, frame 148
Dalum, JosephOdyne Systems, LLCAssignment of Assignor's Interest
Feb 23, 2016
Reel 37805, frame 66
Odyne Systems LLCPower Technology Holdings LLCAssignment of Assignor's Interest
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.

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