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US

CMP Method for Forming Smooth Diamond Surfaces

US 9,259,819 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jul 8, 2022 (Truist Bank).

Term ends Nov 6, 2032 · High confidence

Filed Sep 23, 2014 as application 14/494,276 · Granted Feb 16, 2016
Base term, 20 years from filing
Today
20 years from filing
2012 2032
Clock starts
Nov 6, 2012
Term ends
Nov 6, 2032
Granted
Feb 16, 2016
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.
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.
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 is its 20-year base term, with no adjustment for prosecution delay. 2 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 Nov 6, 2012, when application 13/669,955, the earliest non-provisional in its chain, was filed (this one was filed Sep 23, 2014)Nov 6, 2032High 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 paidIn forceHigh confidence
Computed term endThe steps above, in orderNov 6, 2032High confidence

This family

US 9,259,818In force
Nov 2032
Nov 2032
Application PCT/US2013/068771PCT application
no patent term
no patent term
US 9,259,819this patent
Nov 2032
Nov 2032
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 14, 2020
Reel 52388, frame 520
Sinmat, Inc.Entegris, Inc.Assignment of Assignor's Interest
Jul 8, 2022
Reel 60613, frame 72
Entegris, Inc.; Entegris GP, Inc.; Poco Graphite, Inc.; CMC Materials, Inc.; International Test Solutions, LLC; Qed Technologies International, Inc.Truist Bank, as Notes Collateral AgentSecurity Interest
Jul 8, 2022
Reel 60614, frame 980
Entegris, Inc.; Entegris GP, Inc.; Poco Graphite, Inc.Morgan Stanley Senior Funding, Inc., as Collateral AgentSecurity 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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