Term ended May 18, 2026 · Medium confidence
20-year base term ended Nov 14, 2025
Why Medium: A parent in the chain could not be resolved.
Held by Atmus Filtration IP Inc.
Filed May 30, 2006 as application 11/442,943 · Granted Jul 31, 2012
Base term plus 185 days of patent term adjustment (USPTO delay)
Today
Term ended May 18, 2026
2005
2026
Clock starts
Nov 14, 2005
Nov 14, 2005
Term ended
May 18, 2026
May 18, 2026
Granted
Jul 31, 2012
Jul 31, 2012
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
185
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 185 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Nov 14, 2005, when application 11/273,101, the earliest non-provisional in its chain, was filed (this one was filed May 30, 2006); a parent in its chain could not be resolved (the next row) | Nov 14, 2025 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +185 days, USPTO patent term adjustment record | May 18, 2026 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | May 18, 2026 | Medium confidence |
This family
| Application 11/230,694 | Abandoned not computed | not computed |
| US 8,114,183 | In force no later than Oct 2028 | no later than Oct 2028 |
| US 7,582,130 | In force Nov 2027 | Nov 2027 |
| US 8,231,752 | this patent May 2026 | May 2026 |
| Application PCT/US2007/066640 | PCT application no patent term | no patent term |
| US 7,959,714 | Lapsed on the fee record Jun 2019 | Jun 2019 |
| US 7,828,869 | Term ended Nov 2026 | Nov 2026 |
| Application PCT/US2008/073107 | PCT 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jul 20, 2006 reel/frame not recorded | Janikowski, Eric A.; Jaroszczyk, Tadeusz; Moy, Jerald J.; Muse, Robert E.; Verdegan, Barry M.; Bodasinski, Jacek; Gradon, Leon; Ruminski, Witalis; Rice, Melvin | Fleetguard, Inc. | Assignment of Assignor's Interest |
| Jul 20, 2006 reel/frame not recorded | Janikowski, Eric A.; Jaroszczyk, Tadeusz; Moy, Jerald J.; Muse, Robert E.; Verdegan, Barry M.; Bodasinski, Jacek; Gradon, Leon; Ruminski, Witalis; Rice, Melvin | Microspun Products Ltd. | Assignment of Assignor's Interest |
| Jul 20, 2006 Reel 17965, frame 784 | Janikowski, Eric A.; Verdegan, Barry M.; Moy, Jerald J.; Bodasinski, Jacek; Ruminski, Witalis; Gradon, Leon; Jaroszczyk, Tadeusz; Muse, Robert E.; Rice, Melvin | Fleetguard, Inc.; Microspun Products Ltd. | Assignment of Assignor's Interest |
| Jun 25, 2012 Reel 28434, frame 39 | Fleetguard, Inc. | Cummins Filtration Inc. | Change of Name |
| Jun 25, 2012 Reel 28434, frame 357 | Cummins Filtration Inc. | Cummins Filtration IP Inc. | Change of Name |
| Dec 29, 2025 Reel 74534, frame 659 | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 185 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
31
later US patents cite this one
That is top 25% of utility patents granted in 2012 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.