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High Voltage Integration Circuit with Freewheeling Diode Embedded in Transistor

US 8,049,306 In force
OverviewFamilyAssignmentsSources & methods

Term ends Nov 22, 2026 · High confidence

Filed Jun 7, 2010 as application 12/795,564 · Granted Nov 1, 2011
Base term, 20 years from filing
Today
20 years from filing
2006 2026
Clock starts
Nov 22, 2006
Term ends
Nov 22, 2026
Granted
Nov 1, 2011
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.
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.
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 is its 20-year base term, with no adjustment for 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 Nov 22, 2006, when application 11/603,671, the earliest non-provisional in its chain, was filed (this one was filed Jun 7, 2010)Nov 22, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh 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 22, 2026High confidence

This family

US 7,732,858In force
Jan 2027
Jan 2027
US 8,049,306this patent
Nov 2026
Nov 2026
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
Nov 2, 2017
Reel 44361, frame 205
Fairchild Korea Semiconductor, Ltd.Semiconductor Components Industries, LLCAssignment of Assignor's Interest
Nov 17, 2017
Reel 44481, frame 541
Semiconductor Components Industries, LLC; Fairchild Semiconductor CorporationDeutsche Bank AG New York Branch, as Collateral AgentPatent Security Agreement
Jun 22, 2023
reel/frame not recorded
Deutsche Bank AG New York Branch, as Collateral AgentSemiconductor Components Industries, LLCRelease of Security Interest in Patents Recorded at Reel 04481, Frame 0541
Jun 22, 2023
reel/frame not recorded
Deutsche Bank AG New York Branch, as Collateral AgentFairchild Semiconductor CorporationRelease of Security Interest in Patents Recorded at Reel 04481, Frame 0541
Jun 22, 2023
Reel 64072, frame 459
Deutsche Bank AG New York Branch, as Collateral AgentSemiconductor Components Industries, LLC; Fairchild Semiconductor CorporationRelease of Security Interest in Patents Recorded at Reel 04481, Frame 0541

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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