The Patent Finder
US

Multiple Heater Exhaust Aftertreatment System Architecture and Methods of Control Thereof

US 12,650,088 In force
OverviewFamilySources & methods

Term ends Jul 17, 2040 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Held by Cummins Inc.
Filed Oct 29, 2024 as application 18/930,992 · Granted Jun 9, 2026
Base term plus 51 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2020 2040
Clock starts
May 27, 2020
Term ends
Jul 17, 2040
Granted
Jun 9, 2026
base term patent term adjustment 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
51
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
5
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 51 days past its 20-year base term on prosecution delay. 0 of 3 maintenance fees are paid so far. Confidence: Medium. 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 27, 2020, when application 16/884,897, the earliest non-provisional in its chain, was filed (this one was filed Oct 29, 2024); a parent in its chain could not be resolved (the next row)May 27, 2040High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+51 days, USPTO patent term adjustment recordJul 17, 2040High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJul 17, 2040Medium confidence

This family

US 11,339,698In force
May 2040
May 2040
US 11,920,506In force
May 2040
May 2040
US 12,163,453In force
May 2040
May 2040
US 12,650,088this patent
Jul 2040
Jul 2040
Application 19/682,299Pending
not computed
not computed
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.

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