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Porous Nanostructured Polyimide Networks and Methods of Manufacture

US 9,745,198 In force
OverviewFamilyAssignmentsSources & methods

Term ends Aug 22, 2031 · High confidence

Filed Apr 24, 2014 as application 14/261,399 · Granted Aug 29, 2017
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Aug 22, 2011
Term ends
Aug 22, 2031
Granted
Aug 29, 2017
base term fee events 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.
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.
5
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 Aug 22, 2011, when application 13/214,633, the earliest non-provisional in its chain, was filed (this one was filed Apr 24, 2014)Aug 22, 2031High 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 orderAug 22, 2031High confidence

This family

Application 13/214,633Abandoned
not computed
not computed
US 9,745,198this patent
Aug 2031
Aug 2031
US 10,442,693In force
no later than Aug 2031
no later than Aug 2031
Application 16/562,982Abandoned
not computed
not computed
Application 18/454,482Abandoned
not computed
not computed
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
Jul 17, 2014
Reel 33333, frame 120
Sotiriou-leventis, Chariklia; Chidambareswarapattar, ChakkaravarthyLeventis, NicholasAssignment of Assignor's Interest
Jul 17, 2014
Reel 33333, frame 318
Leventis, NicholasAerogel Technologies, LLCAssignment of Assignor's Interest
Sep 20, 2022
Reel 61150, frame 361
Missouri University of Science & TechnologyNational Science FoundationConfirmatory License
Nov 14, 2023
Reel 65553, frame 682
Missouri University of Science & TechnologyNational Science FoundationConfirmatory License

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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