Collateral for a security interest recorded Oct 24, 2024 (Fifth Third Bank, National Association).
Term ends Oct 28, 2036 · High confidence
20-year base term ends Oct 28, 2036
Held by K&N Engineering, Inc.
Filed Feb 27, 2023 as application 18/114,683 · Granted Mar 12, 2024
Base term, 20 years from filing
Today
2016
2036
Clock starts
Oct 28, 2016
Oct 28, 2016
Term ends
Oct 28, 2036
Oct 28, 2036
Granted
Mar 12, 2024
Mar 12, 2024
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
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 is its 20-year base term, with no adjustment for prosecution delay. 0 of 3 maintenance fees are 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Oct 28, 2016, when application 15/337,356, the earliest non-provisional in its chain, was filed (this one was filed Feb 27, 2023) | Oct 28, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 28, 2036 | High confidence |
This family
| Application PCT/US2016/059521 | PCT application no patent term | no patent term |
| US 10,883,455 | In force Apr 2037 | Apr 2037 |
| US 11,608,802 | In force Mar 2037 | Mar 2037 |
| US 11,927,158 | this patent Oct 2036 | Oct 2036 |
| US 12,345,221 | In force Oct 2036 | Oct 2036 |
| Application 19/239,696 | Pending 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jun 26, 2023 Reel 64061, frame 76 | Williams, Steve; Wall, Jere James | K&N Engineering, Inc. | Assignment of Assignor's Interest |
| Oct 24, 2024 Reel 71008, frame 165 | K & N Engineering, Inc. | Fifth Third Bank, National Association, as Agent | Security Interest |
| Oct 25, 2024 Reel 69268, frame 13 | K & N Engineering, Inc. | Ankura Trust Company, LLC | Patent Security Agreement – Supplement No. 1 |
| May 8, 2026 Reel 75785, frame 57 | Ankura Trust Company, LLC | K & N Engineering, Inc. | Release of Security Interest |
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
Oct 2036
Term ends Oct 28, 2036. Maintenance fees still fall due before then
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.