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US

Space-Effective Filter Element

US 7,828,869 Term ended
OverviewFamilyAssignmentsSources & methods

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

Term ended Nov 13, 2026 · Medium confidence

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

Filed Nov 15, 2007 as application 11/940,729 · Granted Nov 9, 2010
Base term plus 419 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Nov 13, 2026
2005 2026
Clock starts
Sep 20, 2005
Term ended
Nov 13, 2026
Granted
Nov 9, 2010
base term patent term adjustment after the term ends 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
419
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.
11
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 419 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Sep 20, 2005, when application 11/230,694, the earliest non-provisional in its chain, was filed (this one was filed Nov 15, 2007); a parent in its chain could not be resolved (the next row)Sep 20, 2025High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+419 days, USPTO patent term adjustment recordNov 13, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderNov 13, 2026Medium confidence

This family

Application 11/230,694Abandoned
not computed
not computed
US 8,114,183In force
no later than Oct 2028
no later than Oct 2028
US 7,582,130In force
Nov 2027
Nov 2027
US 8,231,752Term ended
May 2026
May 2026
Application PCT/US2007/066640PCT application
no patent term
no patent term
US 7,959,714Lapsed on the fee record
Jun 2019
Jun 2019
US 7,828,869this patent
Nov 2026
Nov 2026
Application PCT/US2008/073107PCT application
no patent term
no patent term
8 of 11 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
Jan 14, 2008
Reel 20358, frame 808
Parikh, Chirag D.; Ng, Kwok-lam; Zoch, Roger L.; Alonzo, Jim L.; Smith, Guillermo A.; Schwandt, Brian W.; Rego, Eric J.; Schelkopf, J. Bruce; Verdegan, Barry M.; Schmitz, Kelly R.Cummins Filtration IP, Inc.Assignment of Assignor's Interest
Dec 29, 2025
Reel 74534, frame 689
Cummins Filtration IP, Inc.Atmus Filtration IP 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.

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