The Patent Finder
US

Geared Turbofan Gas Turbine Engine Architecture

US 10,794,292 In force
OverviewFamilyAssignmentsSources & methods

Term ends Aug 15, 2032 · High confidence

Filed Jan 31, 2017 as application 15/420,221 · Granted Oct 6, 2020
Base term plus 197 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2012 2032
Clock starts
Jan 31, 2012
Term ends
Aug 15, 2032
Granted
Oct 6, 2020
base term patent term adjustment 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
197
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
63
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 runs 197 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is 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 Jan 31, 2012, when application 13/363,154, the earliest non-provisional in its chain, was filed (this one was filed Jan 31, 2017)Jan 31, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+197 days, USPTO patent term adjustment recordAug 15, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 15, 2032High confidence

This family

Application 13/363,154Abandoned
not computed
not computed
Application 13/410,776Abandoned
not computed
not computed
Application 13/446,194Abandoned
not computed
not computed
US 9,611,859In force
Jan 2032
Jan 2032
Application 13/455,235Abandoned
not computed
not computed
US 9,540,948In force
Jan 2032
Jan 2032
Application 13/629,681Abandoned
not computed
not computed
Application 13/645,626Abandoned
not computed
not computed
8 of 63 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
Sep 4, 2020
Reel 54062, frame 1
United Technologies CorporationRaytheon Technologies CorporationChange of Name
Mar 4, 2021
Reel 55659, frame 1
United Technologies CorporationRaytheon Technologies CorporationCorrective Assignment to Correct the and Remove Patent Application Number 11886281 and Add Patent Application Number 14846874. to Correct the Receiving Party Address Previously Recorded at Reel: 054062 Frame: 0001. Assignor(S) Hereby Confirms the Change of Address.
Jul 27, 2023
Reel 64714, frame 1
Raytheon Technologies CorporationRTX CorporationChange of Name

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