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Isolator Circuit

US 9,153,968 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Thorn Security Limited, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Jul 4, 2032 · High confidence

Filed Aug 2, 2013 as application 13/877,056 · Granted Oct 6, 2015
Base term plus 274 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2011 2032
Clock starts
Oct 4, 2011
Term ends
Jul 4, 2032
Granted
Oct 6, 2015
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
274
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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 274 days past its 20-year base term on prosecution delay. 2 of 3 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 Oct 4, 2011, when application PCT/GB2011/001444, the earliest non-provisional in its chain, was filed (this one was filed Aug 2, 2013)Oct 4, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+274 days, USPTO patent term adjustment recordJul 4, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJul 4, 2032High confidence

This family

US 9,153,968this patent
Jul 2032
Jul 2032
US 9,673,615In force
Oct 2031
Oct 2031
US 10,069,293In force
Oct 2031
Oct 2031
3 of 4 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
Aug 2, 2013
Reel 30931, frame 718
Meah, Faruk; Naish, Andrew D.; Bennett, Steven IanThorn Security LimitedAssignment of Assignor's Interest
Oct 6, 2015
Reel 36795, frame 608
Thorn Security Ltd.Tyco Fire & Security GmbHIntellectual Property Transfer Agreement
Jan 29, 2019
Reel 49671, frame 756
Tyco Fire & Security GmbHJohnson Controls Fire Protection LPAssignment of Assignor's Interest
Dec 30, 2021
Reel 58599, frame 339
Johnson Controls Fire Protection LPJohnson Controls US Holdings LLCAssignment of Assignor's Interest
Dec 30, 2021
Reel 58599, frame 922
Johnson Controls US Holdings LLCJohnson Controls Inc.Assignment of Assignor's Interest
Dec 30, 2021
Reel 58600, frame 47
Johnson Controls Inc.Johnson Controls Tyco IP Holdings LLPAssignment of Assignor's Interest
Mar 5, 2024
Reel 66740, frame 208
Johnson Controls Tyco IP Holdings LLPTyco Fire & Security GmbHAssignment 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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