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Method of Aerogel Synthesis

US 9,562,141 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Feb 7, 2025 on the fee record · Medium confidence

Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.

Second maintenance fee unpaid; grace period ended.

Filed Nov 24, 2015 as application 14/950,522 · Granted Feb 7, 2017
Base term, 20 years from filing
Today
Lapsed Feb 7, 2025
2013 2033
Clock starts
May 23, 2013
No longer in force
Feb 7, 2025
Granted
Feb 7, 2017
Term would have run to
May 23, 2033
base term after the term ends 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.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
4
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 May 23, 2033: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. Confidence: Medium. 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 May 23, 2013, when application 13/901,453, the earliest non-provisional in its chain, was filed (this one was filed Nov 24, 2015)May 23, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Feb 7, 2025High confidence
Computed term endThe steps above, in orderFeb 7, 2025Medium confidence

This family

US 9,206,298In force
Mar 2034
Mar 2034
Application PCT/US2014/015555PCT application
no patent term
no patent term
US 9,562,141this patent
Feb 2025
Feb 2025
Application 15/417,752Abandoned
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
Sep 28, 2016
Reel 39877, frame 110
Rodman, David L.; Poe, Garrett D.; Farmer, Brandon S.; Smith, Joseph C.Nexolve CorporationAssignment of Assignor's Interest
Jun 5, 2019
Reel 49372, frame 972
Nexolve CorporationNexolve Holding Company, LLCAssignment 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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