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Process for the Preparation of Precipitated Silicas, Precipitated Silicas and Their Uses, in Particular for the Reinforcement of Polymers

US 10,487,213 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Nov 26, 2023 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Filed Sep 2, 2016 as application 15/123,545 · Granted Nov 26, 2019
Base term, 20 years from filing
Today
Lapsed Nov 26, 2023
2015 2035
Clock starts
Feb 26, 2015
No longer in force
Nov 26, 2023
Granted
Nov 26, 2019
Term would have run to
Feb 26, 2035
base term after the term ends Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
67
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 Feb 26, 2035: 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 Feb 26, 2015, when application PCT/EP2015/053997, the earliest non-provisional in its chain, was filed (this one was filed Sep 2, 2016)Feb 26, 2035High 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 paidlapsed Nov 26, 2023High confidence
Computed term endThe steps above, in orderNov 26, 2023High confidence

This family

US 10,017,681Lapsed on the fee record
Jul 2022
Jul 2022
US 9,896,463In force
Jan 2035
Jan 2035
US 9,969,670Lapsed on the fee record
May 2026
May 2026
Application 15/111,600Abandoned
not computed
not computed
US 10,259,715In force
Apr 2035
Apr 2035
Application 15/121,823Abandoned
not computed
not computed
US 10,487,213this patent
Nov 2023
Nov 2023
Application 15/126,707Abandoned
not computed
not computed
8 of 67 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 23, 2017
Reel 43367, frame 136
Guy, Laurent; Neveu, Sylvaine; Boivin, Cédric; Perin, Eric; Pinault, Anne-laureRhodia OperationsAssignment 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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