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Fixed Systems and Methods for Extinguishing Industrial Tank Fires, With and Without Fixed Roof, Including Aerated Foam Projecting Nozzles and Center Directed Nozzles

US 10,086,223 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 17, 2031 · High confidence

Filed Nov 15, 2016 as application 15/351,656 · Granted Oct 2, 2018
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Oct 17, 2011
Term ends
Oct 17, 2031
Granted
Oct 2, 2018
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.
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 Oct 17, 2011, when application PCT/US2011/001768, the earliest non-provisional in its chain, was filed (this one was filed Nov 15, 2016)Oct 17, 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 orderOct 17, 2031High confidence

This family

Application PCT/US2011/001768PCT application
no patent term
no patent term
US 9,586,069In force
Jan 2033
Jan 2033
US 10,086,223this patent
Oct 2031
Oct 2031
US 11,065,485In force
Oct 2031
Oct 2031
US 12,017,101In force
Jul 2032
Jul 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
Dec 1, 2023
Reel 65745, frame 21
Tyco Fire & Security GmbHTyco Fire Products LPAssignment 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited