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US

Pruning Indexes to Enhance Database Query Processing

US 10,769,150 In force
OverviewFamilyAssignmentsSources & methods

Term ends Dec 26, 2039 · High confidence

Filed Dec 26, 2019 as application 16/727,315 · Granted Sep 8, 2020
Base term, 20 years from filing
Today
20 years from filing
2019 2039
Clock starts
Dec 26, 2019
Term ends
Dec 26, 2039
Granted
Sep 8, 2020
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.
1 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.
27
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. 1 of 3 maintenance fees is 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 Dec 26, 2019, when this application, 16/727,315, was filedDec 26, 2039High 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 events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 26, 2039High confidence

This family

US 10,769,150this patent
Dec 2039
Dec 2039
US 10,942,925In force
Dec 2039
Dec 2039
Application PCT/US2020/044199PCT application
no patent term
no patent term
US 10,997,179In force
Dec 2039
Dec 2039
US 11,016,975In force
Dec 2039
Dec 2039
US 11,086,875In force
no later than Dec 2039
no later than Dec 2039
US 11,113,286In force
no later than Dec 2039
no later than Dec 2039
US 11,308,089In force
no later than Dec 2039
no later than Dec 2039
8 of 27 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
Dec 26, 2019
Reel 51369, frame 304
Cruanes, Thierry; Dageville, Benoit; Oukid, Ismail; Richter, StefanSnowflake Inc.Assignment 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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