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US

Memory Having Variable Refresh Control and Method Therefor

US 7,484,140 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Feb 20, 2019 (Shenzhen Xinguodu Technology Co., Ltd.).

Term ends Jan 14, 2027 · High confidence

Filed Jul 7, 2004 as application 10/886,340 · Granted Jan 27, 2009
Base term plus 921 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2004 2027
Clock starts
Jul 7, 2004
Term ends
Jan 14, 2027
Granted
Jan 27, 2009
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
921
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 921 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 7, 2004, when this application, 10/886,340, was filedJul 7, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+921 days, USPTO patent term adjustment recordJan 14, 2027High 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 14, 2027High confidence

This family

US 6,781,908Term ended
Feb 2023
Feb 2023
Application PCT/US2004/003494PCT application
no patent term
no patent term
US 7,484,140this patent
Jan 2027
Jan 2027
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
Feb 2, 2007
Reel 18855, frame 129
Freescale Semiconductor, Inc.; Freescale Acquisition Corporation; Freescale Acquisition Holdings Corp.; Freescale Holdings (Bermuda) III, Ltd.Citibank, N.A. as Collateral AgentSecurity Agreement
May 19, 2009
Reel 22703, frame 405
Freescale Semiconductor, Inc.Citibank, N.a.Security Agreement
May 13, 2010
Reel 24397, frame 1
Freescale Semiconductor, Inc.Citibank, N.A., as Collateral AgentSecurity Agreement
Jun 18, 2013
Reel 30633, frame 424
Freescale Semiconductor, Inc.Citibank, N.A., as Notes Collateral AgentSecurity Agreement
Nov 6, 2013
Reel 31591, frame 266
Freescale Semiconductor, Inc.Citibank, N.A., as Notes Collateral AgentSecurity Agreement
Dec 21, 2015
Reel 37356, frame 553
Citibank, N.A., as Collateral AgentFreescale Semiconductor, Inc.Patent Release
Jan 12, 2016
Reel 37486, frame 517
Citibank, N.a.Morgan Stanley Senior Funding, Inc.Assignment and Assumption of Security Interest in Patents
Jan 13, 2016
Reel 37518, frame 292
Citibank, N.a.Morgan Stanley Senior Funding, Inc.Assignment and Assumption of Security Interest in Patents
Jun 16, 2016
Reel 39138, frame 1
Freescale Semiconductor, Inc.Morgan Stanley Senior Funding, Inc.Supplement to the Security Agreement
Sep 21, 2016
Reel 40925, frame 1
Morgan Stanley Senior Funding, Inc.NXP, B.V., F/K/A Freescale Semiconductor, Inc.Release of Security Interest
Nov 7, 2016
Reel 40928, frame 1
Morgan Stanley Senior Funding, Inc.NXP B.V.Release of Security Interest
Nov 8, 2016
Reel 40652, frame 180
Freescale Semiconductor Inc.NXP USA, Inc.Change of Name
Jan 12, 2017
Reel 41354, frame 148
Freescale Semiconductor Inc.NXP USA, Inc.Corrective Assignment to Correct the Nature of Conveyance Listed Change of Name Should Be Merger and Change Previously Recorded at Reel: 040652 Frame: 0180. Assignor(S) Hereby Confirms the Merger and Change of Name.
Feb 1, 2017
Reel 41703, frame 536
Citibank, N.a.Morgan Stanley Senior Funding, Inc.Corrective Assignment to Correct the Remove Patents 8108266 and 8062324 and Replace Them with 6108266 and 8060324 Previously Recorded on Reel 037518 Frame 0292. Assignor(S) Hereby Confirms the Assignment and Assumption of Security Interest in Patents.
Oct 20, 2017
Reel 43913, frame 183
Pelley, Perry H.; Burgan, John M.Motorola, Inc.Assignment of Assignor's Interest
Oct 20, 2017
Reel 44568, frame 182
Motorola, Inc.Freescale Semiconductor, Inc.Assignment of Assignor's Interest
Feb 20, 2019
Reel 48734, frame 1
Morgan Stanley Senior Funding, Inc.Shenzhen Xinguodu Technology Co., Ltd.Corrective Assignment to Correct the to Correct the Application No. from 13,883,290 to 13,833,290 Previously Recorded on Reel 041703 Frame 0536. Assignor(S) Hereby Confirms the the Assignment and Assumption of Security Interest in Patents..
Sep 10, 2019
Reel 50744, frame 97
Morgan Stanley Senior Funding, Inc.NXP B.V.Release of Security Interest
Dec 10, 2019
Reel 53547, frame 421
Citibank, N.a.Morgan Stanley Senior Funding, Inc.Corrective Assignment to Correct the Remove Application 11759915 and Replace It with Application 11759935 Previously Recorded on Reel 037486 Frame 0517. Assignor(S) Hereby Confirms the Assignment and Assumption of Security Interest in Patents.
Jan 17, 2020
Reel 52915, frame 1
Morgan Stanley Senior Funding, Inc.NXP B.V.Corrective Assignment to Correct the Remove Application 11759915 and Replace It with Application 11759935 Previously Recorded on Reel 040928 Frame 0001. Assignor(S) Hereby Confirms the Release of Security Interest.
Feb 17, 2020
Reel 52917, frame 1
Morgan Stanley Senior Funding, Inc.NXP, B.V. F/K/A Freescale Semiconductor, Inc.Corrective Assignment to Correct the Remove Application 11759915 and Replace It with Application 11759935 Previously Recorded on Reel 040925 Frame 0001. Assignor(S) Hereby Confirms the 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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