The Patent Finder
US

Coil Actuated Sensor With Sensitivity Detection

US 11,428,755 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jun 22, 2023 (Morgan Stanley Senior Funding, Inc., as the Collateral Agent).

Term ends May 26, 2037 · High confidence

Filed May 26, 2017 as application 15/606,332 · Granted Aug 30, 2022
Base term, 20 years from filing
Today
20 years from filing
2017 2037
Clock starts
May 26, 2017
Term ends
May 26, 2037
Granted
Aug 30, 2022
base term fee events 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.
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 is its 20-year base term, with no adjustment for prosecution delay. 1 of 3 maintenance fees is 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 May 26, 2017, when this application, 15/606,332, was filedMay 26, 2037High 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 events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMay 26, 2037High confidence

This family

US 11,428,755this patent
May 2037
May 2037
Application PCT/US2018/028816PCT application
no patent term
no patent term
US 11,768,256In force
May 2037
May 2037
Application 18/366,148Abandoned
not computed
not computed
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
Jun 7, 2017
Reel 42625, frame 989
Latham, Alexander; Boudreau, Jason; Cadugan, Bryan; Romero, Hernan D.Allegro Microsystems Europe Limited; Allegro Microsystems Argentina S.A.; Allegro Microsystems, LLCAssignment of Assignor's Interest
Jun 7, 2017
Reel 42626, frame 174
Fermon, Claude; Pannetier-lecoeur, MyriamCommissariat a l'Energie Atomique et aux Energies AlternativesAssignment of Assignor's Interest
Jun 7, 2017
reel/frame not recorded
Boudreau, Jason; Latham, Alexander; Cadugan, Bryan; Romero, Hernan D.Allegro Microsystems Europe LimitedAssignment of Assignor's Interest
Jun 7, 2017
reel/frame not recorded
Boudreau, Jason; Latham, Alexander; Cadugan, Bryan; Romero, Hernan D.Allegro Microsystems Argentina S.A.Assignment of Assignor's Interest
Jun 7, 2017
reel/frame not recorded
Boudreau, Jason; Latham, Alexander; Cadugan, Bryan; Romero, Hernan D.Allegro Microsystems, LLCAssignment of Assignor's Interest
Jun 19, 2017
Reel 42890, frame 807
Latham, Alexander; Boudreau, Jason; Cadugan, Bryan; Romero, Hernan D.; Allegro Microsystems Europe Limited; Allegro Microsystems Argentina S.A.Allegro Microsystems, LLCCorrective Assignment to Correct the Assignor and Assignee Names Previously Recorded at Reel: 042625 Frame: 0989. Assignor(S) Hereby Confirms the Assignment .
Oct 1, 2020
Reel 53957, frame 620
Allegro Microsystems, LLCMizuho Bank Ltd., as Collateral AgentPatent Security Agreement
Oct 1, 2020
Reel 53957, frame 874
Allegro Microsystems, LLCCredit Suisse AG, Cayman Islands Branch, as Collateral AgentPatent Security Agreement
Jun 22, 2023
Reel 64068, frame 459
Allegro Microsystems, LLCMorgan Stanley Senior Funding, Inc., as the Collateral AgentPatent Security Agreement
Jun 22, 2023
Reel 64068, frame 360
Mizuho Bank, Ltd., as Collateral AgentAllegro Microsystems, LLCRelease of Security Interest in Patents (R/F 053957/0620)
Nov 1, 2023
Reel 65420, frame 572
Credit Suisse AG, Cayman Islands Branch, as Collateral AgentAllegro Microsystems, LLCRelease of Security Interest in Patents at Reel 053957/FRAME 0874

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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited