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US

Device for Precharging a Voltage Converter, and an Assembly and Aircraft Including Such a Device

US 8,134,350 In force
OverviewAssignmentsSources & methods

Also listed on Airbus Operations Limited, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Nov 30, 2029 · High confidence

Filed May 27, 2009 as application 12/472,919 · Granted Mar 13, 2012
Base term plus 187 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2009 2029
Clock starts
May 27, 2009
Term ends
Nov 30, 2029
Granted
Mar 13, 2012
base term patent term adjustment 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
187
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.

This patent's term runs 187 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 May 27, 2009, when this application, 12/472,919, was filedMay 27, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+187 days, USPTO patent term adjustment recordNov 30, 2029High 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 orderNov 30, 2029High confidence

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
May 28, 2009
Reel 22743, frame 717
Rieux-lopez, Olivier; Goguet, OlivierAirbus FranceAssignment of Assignor's Interest
May 18, 2011
Reel 26298, frame 269
Airbus FranceAirbus Operations SASMerger
Mar 2, 2026
Reel 74991, frame 340
Hitachi Astemo Ueda, Ltd.Astemo Ueda, Ltd.Change of Name

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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