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US

Exhaust Aftertreatment Filter with Residual Stress Control

US 7,393,386 In force
OverviewAssignmentsSources & methods

Also listed on Atmus Filtration, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Nov 16, 2026 · High confidence

Filed May 26, 2005 as application 11/138,834 · Granted Jul 1, 2008
Base term plus 539 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2005 2026
Clock starts
May 26, 2005
Term ends
Nov 16, 2026
Granted
Jul 1, 2008
base term patent term adjustment 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
539
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.

This patent's term runs 539 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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, 2005, when this application, 11/138,834, was filedMay 26, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+539 days, USPTO patent term adjustment recordNov 16, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderNov 16, 2026High confidence

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
Jul 22, 2005
Reel 16295, frame 872
Yonushonis, Thomas M.; You, Tao; Henrichsen, Matthew P.Fleetguard, Inc.Assignment of Assignor's Interest
Apr 1, 2008
Reel 20732, frame 765
Yonushonis, Thomas M.; You, Tao; Henrichsen, Matthew P.; Wang, RentongCummins Filtration IP, Inc.Assignment of Assignor's Interest
Jan 25, 2022
Reel 58853, frame 427
Yonushonis, Thomas M.; You, Tao; Henrichsen, Matthew P.; Wang, RentongFleetguard, Inc.Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 020732 Frame: 0765. Assignor(S) Hereby Confirms the Assignment .
Feb 13, 2022
Reel 59085, frame 95
Fleetguard, Inc.Cummins Filtration Inc.Change of Name

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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