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US

Radial Flux Electrical Machines

US 12,289,014 In force
OverviewFamilyAssignmentsSources & methods

Term ends Nov 12, 2035 · High confidence

Filed Sep 1, 2023 as application 18/460,421 · Granted Apr 29, 2025
Base term, 20 years from filing
Today
20 years from filing
2015 2035
Clock starts
Nov 12, 2015
Term ends
Nov 12, 2035
Granted
Apr 29, 2025
base term 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.
0 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.
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. 0 of 2 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 12, 2015, when application PCT/GB2015/053429, the earliest non-provisional in its chain, was filed (this one was filed Sep 1, 2023)Nov 12, 2035High 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 events0 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderNov 12, 2035High confidence

This family

US 11,063,481In force
Oct 2037
Oct 2037
US 11,870,301In force
Jan 2036
Jan 2036
US 12,289,014this patent
Nov 2035
Nov 2035
Application 19/011,009Pending
not computed
not computed
4 of 5 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 1, 2023
Reel 64780, frame 294
Ash, LloydAshwoods Electric Motors LimitedAssignment of Assignor's Interest
Dec 6, 2023
Reel 65794, frame 375
Ash, LloydAshwoods Automotive LimitedCorrective Assignment to Correct the Assignee Name and Address Previously Recorded on Reel 064780 Frame 0294. Assignor(S) Hereby Confirms the Assignment.
Sep 18, 2024
Reel 69060, frame 687
Ashwoods Automotive LimitedAshwoods Electric Motors LimitedChange of Name
Oct 30, 2024
Reel 69081, frame 373
Ashwoods Electric Motors LimitedDana TM4 UK Ltd.Change 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.

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