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Pseudo-Envelope Following Power Management System

US 8,493,141 In force
OverviewFamilyAssignmentsSources & methods

Term ends Apr 19, 2031 · High confidence

Filed Apr 19, 2011 as application 13/089,917 · Granted Jul 23, 2013
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Apr 19, 2011
Term ends
Apr 19, 2031
Granted
Jul 23, 2013
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.
22
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 Apr 19, 2011, when this application, 13/089,917, was filedApr 19, 2031High 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 orderApr 19, 2031High confidence

This family

US 8,493,141this patent
Apr 2031
Apr 2031
US 8,519,788Lapsed on the fee record
Aug 2017
Aug 2017
Application PCT/US2011/049243PCT application
no patent term
no patent term
Application PCT/US2011/054106PCT application
no patent term
no patent term
US 8,633,766In force
Apr 2031
Apr 2031
Application PCT/US2011/064255PCT application
no patent term
no patent term
US 8,611,402In force
Apr 2032
Apr 2032
Application PCT/US2012/023495PCT application
no patent term
no patent term
8 of 22 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
Jun 9, 2011
Reel 26419, frame 130
Khlat, Nadim; Kay, Michael R.RF Micro Devices, Inc.Assignment of Assignor's Interest
Mar 19, 2013
Reel 30045, frame 831
RF Micro Devices, Inc.Bank of America, N.A., as Administrative AgentNotice of Grant of Security Interest in Patents
Mar 30, 2015
Reel 35334, frame 363
Bank of America, N.A., as Administrative AgentRF Micro Devices, Inc.Termination and Release of Security Interest in Patents (Recorded 3/19/13 at Reel/Frame 030045/0831)
Jun 16, 2016
Reel 39196, frame 941
RF Micro Devices, Inc.Qorvo US, Inc.Merger

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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