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Main Memory in a System with a Memory Controller Configured to Control Access to Non-Volatile Memory, and Related Technologies

US 7,761,623 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jul 20, 2022 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Aug 30, 2007 as application 11/847,986 · Granted Jul 20, 2010
Base term, 20 years from filing
Today
Lapsed Jul 20, 2022
2007 2027
Clock starts
Aug 30, 2007
No longer in force
Jul 20, 2022
Granted
Jul 20, 2010
Term would have run to
Aug 30, 2027
base term 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
24
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Aug 30, 2027: its 20-year base term, with no adjustment for prosecution delay. 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 Aug 30, 2007, when this application, 11/847,986, was filedAug 30, 2027High 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 events2 of 3 maintenance fees paidlapsed Jul 20, 2022High confidence
Computed term endThe steps above, in orderJul 20, 2022High confidence

This family

US 7,761,626Lapsed on the fee record
Jul 2022
Jul 2022
US 7,761,623this patent
Jul 2022
Jul 2022
US 8,806,116In force
Jul 2030
Jul 2030
US 8,370,547Lapsed on the fee record
Feb 2025
Feb 2025
US 8,370,548Lapsed on the fee record
Feb 2021
Feb 2021
US 8,949,555Lapsed on the fee record
Feb 2023
Feb 2023
US 8,341,300Lapsed on the fee record
Dec 2024
Dec 2024
US 8,689,042In force
Aug 2027
Aug 2027
8 of 24 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
Aug 30, 2007
Reel 19771, frame 717
Karamcheti, Vijay; Ganapathy, Kumar; Okin, Kenneth Alan; Parekh, RajeshVirident Systems, Inc.Assignment of Assignor's Interest
Oct 5, 2007
Reel 19927, frame 563
Virident Systems, Inc.Spansion LLCPatent Security Agreement
Jun 4, 2010
Reel 24522, frame 338
Spansion LLC; Spansion Inc.; Spansion Technology Inc.; Spansion Technology LLCBarclays Bank PLCSecurity Agreement
Jul 23, 2013
Reel 30875, frame 144
Barclays Bank PLCSpansion LLC; Spansion Inc.; Spansion Technology Inc.; Spansion Technology LLCRelease of Lien on Patent
Jul 23, 2013
reel/frame not recorded
Barclays Bank PLCSpansion LLCRelease of Lien on Patent
Jul 23, 2013
reel/frame not recorded
Barclays Bank PLCSpansion Inc.Release of Lien on Patent
Jul 23, 2013
reel/frame not recorded
Barclays Bank PLCSpansion Technology Inc.Release of Lien on Patent
Jul 23, 2013
reel/frame not recorded
Barclays Bank PLCSpansion Technology LLCRelease of Lien on Patent
Jul 26, 2013
Reel 30886, frame 471
Barclays Bank PLCSpansion LLC; Spansion Inc.; Spansion Technology Inc.; Spansion Technology LLCRelease of Security Interest
Jul 26, 2013
Reel 30886, frame 678
Spansion LLCVirident Systems, Inc.Release of Security Interest
Jul 26, 2013
reel/frame not recorded
Barclays Bank PLCSpansion LLCRelease of Security Interest
Jul 26, 2013
reel/frame not recorded
Barclays Bank PLCSpansion Inc.Release of Security Interest
Jul 26, 2013
reel/frame not recorded
Barclays Bank PLCSpansion Technology Inc.Release of Security Interest
Jul 26, 2013
reel/frame not recorded
Barclays Bank PLCSpansion Technology LLCRelease of Security Interest
Jan 30, 2019
Reel 48196, frame 580
Virident Systems, Inc.Virident Systems, LLCChange of Name
Jul 9, 2020
Reel 53180, frame 472
Virident Systems, LLCWestern Digital Technologies, Inc.Assignment of Assignor's Interest
Sep 29, 2020
Reel 53926, frame 446
Western Digital Technologies, Inc.JPMorgan Chase Bank, N.A., as AgentSecurity Interest
Feb 8, 2022
Reel 58966, frame 321
Jpmorgan Chase Bank, N.a.Western Digital Technologies, Inc.Release of Security Interest at Reel 053926 Frame 0446

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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