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Computational Memory with Zero Disable and Error Detection

US 11,881,872 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 23, 2040 · High confidence

Filed Apr 29, 2022 as application 17/733,338 · Granted Jan 23, 2024
Base term, 20 years from filing
Today
20 years from filing
2020 2040
Clock starts
Sep 23, 2020
Term ends
Sep 23, 2040
Granted
Jan 23, 2024
base term 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.
0 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.
11
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. 0 of 3 maintenance fees are paid so far. 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 23, 2020, when application 17/029,652, the earliest non-provisional in its chain, was filed (this one was filed Apr 29, 2022)Sep 23, 2040High 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 events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 23, 2040High confidence

This family

US 11,256,503In force
Mar 2040
Mar 2040
US 11,342,944In force
Sep 2040
Sep 2040
US 11,468,002In force
Feb 2041
Feb 2041
US 12,124,530In force
Oct 2040
Oct 2040
US 11,881,872this patent
Sep 2040
Sep 2040
US 11,989,155In force
Feb 2041
Feb 2041
US 12,147,380In force
Feb 2041
Feb 2041
US 11,934,482In force
Mar 2040
Mar 2040
8 of 11 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
Apr 29, 2022
Reel 59712, frame 283
Snelgrove, William MartinUntether AI CorporationAssignment of Assignor's Interest
Jun 17, 2025
Reel 71655, frame 897
National Bank of CanadaUntether AI CorporationRelease of Security Interest
Apr 23, 2026
Reel 75495, frame 905
Untether AI CorporationAt-Memory Computing LPAssignment of Assignor's 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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