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Peripheral Switching Device for Microwave Energy Platforms

US 9,693,824 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jul 4, 2025 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Held by Covidien LP
Filed Feb 26, 2016 as application 15/055,114 · Granted Jul 4, 2017
Base term, 20 years from filing
Today
Lapsed Jul 4, 2025
2012 2032
Clock starts
May 4, 2012
No longer in force
Jul 4, 2025
Granted
Jul 4, 2017
Term would have run to
May 4, 2032
base term after the term ends 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 8,920,410, to May 4, 2032. 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.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to May 4, 2032: 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. 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 May 4, 2012, when application 13/464,021, the earliest non-provisional in its chain, was filed (this one was filed Feb 26, 2016)May 4, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 8,920,410)resolves to May 4, 2032, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Jul 4, 2025High confidence
Computed term endThe steps above, in orderJul 4, 2025High confidence

This family

US 8,920,410Lapsed on the fee record
Dec 2022
Dec 2022
US 9,271,792In force
May 2032
May 2032
US 9,693,824this patent
Jul 2025
Jul 2025
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
Feb 26, 2016
Reel 37842, frame 769
Brannan, Joseph D.Vivant Medical, Inc.Assignment of Assignor's Interest
Mar 21, 2016
Reel 38188, frame 365
Vivant Medical, Inc.Vivant Medical LLCChange of Name
Mar 21, 2016
Reel 38055, frame 690
Vivant Medical LLCCovidien LPMerger
Mar 21, 2016
Reel 38179, frame 675
Vivant Medical LLCCovidien 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.

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