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Watercraft Device with Hydrofoil and Electric Propeller System

US 10,940,917 In force
OverviewFamilySources & methods

Term ends Sep 11, 2037 · Low confidence

Filed Aug 16, 2019 as application 16/543,447 · Granted Mar 9, 2021
USPTO first gave this application the number US 10,787,230 and withdrew it before it issued. That number now leads here.
Base term, 20 years from filing
Today
20 years from filing
2017 2037
Clock starts
Sep 11, 2017
Term ends
Sep 11, 2037
Granted
Mar 9, 2021
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,597,118, to Sep 11, 2037. The term already ends on or before that date, so the cap shortened nothing.
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.
8
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is paid so far. Confidence: Low. 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 Sep 11, 2017, when application 15/700,658, the earliest non-provisional in its chain, was filed (this one was filed Aug 16, 2019); a parent in its chain could not be resolved (the next row)Sep 11, 2037High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,597,118)resolves to Sep 11, 2037, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Further caveats on recordThe record names parents not resolved: 15700658Low confidence overallLow confidence
Computed term endThe steps above, in orderSep 11, 2037Low confidence

This family

US 10,597,118In force
Sep 2037
Sep 2037
Application PCT/US2018/023959PCT application
no patent term
no patent term
US 10,940,917this patent
Sep 2037
Sep 2037
US 11,479,324In force
Oct 2037
Oct 2037
US 11,919,608In force
Jan 2038
Jan 2038
US 12,122,481In force
Sep 2038
Sep 2038
US 12,103,643In force
Jan 2038
Jan 2038
US 12,509,186In force
Sep 2037
Sep 2037
The applications whose file history this site holds. The family may have others.

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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