The Patent Finder
US

Calibration Device and Method for Calibrating an Ignition Interlock Device

US 10,458,975 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Dec 18, 2021 (Jefferies Finance LLC).

Term ends Sep 17, 2035 · High confidence

Filed May 7, 2015 as application 14/706,402 · Granted Oct 29, 2019
Base term plus 778 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2013 2035
Clock starts
Jul 31, 2013
Term ends
Sep 17, 2035
Granted
Oct 29, 2019
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
778
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
6
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 778 days past its 20-year base term on 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 Jul 31, 2013, when application 13/955,260, the earliest non-provisional in its chain, was filed (this one was filed May 7, 2015)Jul 31, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+778 days, USPTO patent term adjustment recordSep 17, 2035High 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 orderSep 17, 2035High confidence

This family

US 9,772,318In force
Apr 2036
Apr 2036
Application 14/036,343Abandoned
not computed
not computed
US 10,458,975this patent
Sep 2035
Sep 2035
Application 15/713,512Abandoned
not computed
not computed
US 10,436,770In force
Jul 2033
Jul 2033
Application 16/549,866Abandoned
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
Dec 22, 2017
Reel 44473, frame 894
1A Smart Start LLCWilmington Trust, National AssociationSecurity Interest
Dec 22, 2017
Reel 44474, frame 93
Ia Smart Start LLCBnp Paribas, As Administrative AgentSecurity Interest
Jan 17, 2018
Reel 44645, frame 133
Lyon, Michael1A Smart Start, LLCAssignment of Assignor's Interest
Aug 20, 2020
Reel 54153, frame 889
Wilmington Trust, National Association1A Smart Start LLCRelease of Security Interest in Patents
Jun 3, 2021
Reel 56468, frame 8
1A Smart Start LLCBarings Finance LLC, as Administrative AgentSecond Lien Patent Security Agreement
Dec 17, 2021
Reel 58424, frame 563
BNP Paribas1A Smart Start LLCRelease of Security Interest
Dec 17, 2021
Reel 58566, frame 631
Barings Finance LLC1A Smart Start LLCTermination and Release of Second Lien Patent Security Agreement
Dec 18, 2021
Reel 58548, frame 299
1A Smart Start LLCJefferies Finance LLCSecurity Interest (Second Lien)
Dec 18, 2021
Reel 58548, frame 316
1A Smart Start LLCJefferies Finance LLCSecurity Interest (First Lien)

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 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited