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Charge Control System Using Pulse Width Modulation

US 7,482,782 Term ended
OverviewFamilyAssignmentsSources & methods

Also listed on Issc Technologies Corp., an earlier holder on the record. The recorded assignments below show how it moved.

Term ended Oct 31, 2026 · High confidence

Filed Sep 6, 2006 as application 11/515,728 · Granted Jan 27, 2009
Base term plus 55 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Oct 31, 2026
2006 2026
Clock starts
Sep 6, 2006
Term ended
Oct 31, 2026
Granted
Jan 27, 2009
base term patent term adjustment after the term ends 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
55
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.
3
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 55 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Sep 6, 2006, when this application, 11/515,728, was filedSep 6, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+55 days, USPTO patent term adjustment recordOct 31, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderOct 31, 2026High confidence

This family

US 7,949,327In force
Jan 2030
Jan 2030
US 7,482,782this patent
Oct 2026
Oct 2026
Application 12/905,285Abandoned
not computed
not computed
The applications whose file history this site holds. The family may have others.

Assignments

The 40 most recent of 49 recorded documents are shown; the 9 earliest are not. 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 30, 2020
Reel 53466, frame 11
JPMorgan Chase Bank, N.A, as Administrative AgentMicrochip Technology Inc.; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Release of Security Interest
May 30, 2020
reel/frame not recorded
JPMorgan Chase Bank, N.A, as Administrative AgentMicrochip Technology Inc.Release of Security Interest
May 30, 2020
reel/frame not recorded
JPMorgan Chase Bank, N.A, as Administrative AgentSilicon Storage Technology, Inc.Release of Security Interest
May 30, 2020
reel/frame not recorded
JPMorgan Chase Bank, N.A, as Administrative AgentAtmel CorporationRelease of Security Interest
May 30, 2020
reel/frame not recorded
JPMorgan Chase Bank, N.A, as Administrative AgentMicrosemi CorporationRelease of Security Interest
May 30, 2020
reel/frame not recorded
JPMorgan Chase Bank, N.A, as Administrative AgentMicrosemi Storage Solutions, Inc.Release of Security Interest
Jun 5, 2020
Reel 53468, frame 705
Microchip Technology Inc.; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Wells Fargo Bank, National AssociationSecurity Interest
Dec 24, 2020
Reel 55671, frame 612
Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Wells Fargo Bank, National Association, as Collateral AgentSecurity Interest
Jun 4, 2021
Reel 57935, frame 474
Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Wells Fargo Bank, National Association, as Notes Collateral AgentSecurity Interest
Feb 25, 2022
Reel 59333, frame 222
JPMorgan Chase Bank, N.A., as Administrative AgentMicrochip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Release of Security Interest
Feb 25, 2022
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentMicrochip Technology IncorporatedRelease of Security Interest
Feb 25, 2022
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentSilicon Storage Technology, Inc.Release of Security Interest
Feb 25, 2022
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentAtmel CorporationRelease of Security Interest
Feb 25, 2022
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentMicrosemi CorporationRelease of Security Interest
Feb 25, 2022
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentMicrosemi Storage Solutions, Inc.Release of Security Interest
Feb 28, 2022
Reel 59666, frame 545
JPMorgan Chase Bank, N.A., as Administrative AgentMicrochip Technology IncorporatedRelease of Security Interest
Mar 9, 2022
Reel 59358, frame 1
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Release of Security Interest
Mar 9, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology IncorporatedRelease of Security Interest
Mar 9, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentSilicon Storage Technology, Inc.Release of Security Interest
Mar 9, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentAtmel CorporationRelease of Security Interest
Mar 9, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrosemi CorporationRelease of Security Interest
Mar 9, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrosemi Storage Solutions, Inc.Release of Security Interest
Mar 10, 2022
Reel 59863, frame 400
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Release of Security Interest
Mar 10, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology IncorporatedRelease of Security Interest
Mar 10, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentSilicon Storage Technology, Inc.Release of Security Interest
Mar 10, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentAtmel CorporationRelease of Security Interest
Mar 10, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrosemi CorporationRelease of Security Interest
Mar 10, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrosemi Storage Solutions, Inc.Release of Security Interest
Mar 11, 2022
Reel 59363, frame 1
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Release of Security Interest
Mar 11, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology IncorporatedRelease of Security Interest
Mar 11, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentSilicon Storage Technology, Inc.Release of Security Interest
Mar 11, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentAtmel CorporationRelease of Security Interest
Mar 11, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrosemi CorporationRelease of Security Interest
Mar 11, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrosemi Storage Solutions, Inc.Release of Security Interest
Mar 14, 2022
Reel 60894, frame 437
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc.Release of Security Interest
Mar 14, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrochip Technology IncorporatedRelease of Security Interest
Mar 14, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentSilicon Storage Technology, Inc.Release of Security Interest
Mar 14, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentAtmel CorporationRelease of Security Interest
Mar 14, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrosemi CorporationRelease of Security Interest
Mar 14, 2022
reel/frame not recorded
Wells Fargo Bank, National Association, as Notes Collateral AgentMicrosemi Storage Solutions, 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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