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Controller for a Semiconductor Switch Can Include a Transmitter and Receiver That Communicate Across Galvanic Isolation Using an Inductive Coupling

US 11,223,391 In force
OverviewFamilySources & methods

Term ends Nov 30, 2038 · Low confidence

Filed Jan 21, 2020 as application 16/748,776 · Granted Jan 11, 2022
Base term plus 19 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2018 2038
Clock starts
Nov 30, 2018
Term ends
Nov 30, 2038
Granted
Jan 11, 2022
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
19
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,574,302.
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.

This patent's term runs 19 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Nov 30, 2018, when application 16/206,667, the earliest non-provisional in its chain, was filed (this one was filed Jan 21, 2020); a parent in its chain could not be resolved (the next row)Nov 30, 2038High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+19 days, USPTO patent term adjustment recordDec 19, 2038High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,574,302)capped to Nov 30, 2038High 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: 16206667Low confidence overallLow confidence
Computed term endThe steps above, in orderNov 30, 2038Low confidence

This family

US 10,574,302In force
Nov 2038
Nov 2038
US 11,223,391this patent
Nov 2038
Nov 2038
US 11,700,037In force
Nov 2038
Nov 2038
US 12,143,169In force
Nov 2038
Nov 2038
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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