Collateral for a security interest recorded Jun 9, 2021 (Wells Fargo Bank, National Association, a National Banking Association).
Term ended Jun 26, 2026 · High confidence
20-year base term ended Jun 26, 2026
Held by Kaiser Aluminum Warrick, LLC
Filed Jun 26, 2007 as application 11/768,267 · Granted Jun 7, 2011
Base term, 20 years from filing
Today
Term ended Jun 26, 2026
2006
2026
Clock starts
Jun 26, 2006
Jun 26, 2006
Term ended
Jun 26, 2026
Jun 26, 2026
Granted
Jun 7, 2011
Jun 7, 2011
base term
after the term ends
fee events
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.
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.
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Jun 26, 2006, when application 11/474,581, the earliest non-provisional in its chain, was filed (this one was filed Jun 26, 2007) | Jun 26, 2026 | 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Jun 26, 2026 | High confidence |
This family
| US 7,934,410 | In force Feb 2027 | Feb 2027 |
| Application PCT/US2007/070083 | PCT application no patent term | no patent term |
| Application PCT/US2007/072091 | PCT application no patent term | no patent term |
| US 7,954,354 | this patent Jun 2026 | Jun 2026 |
| US 8,555,692 | Term ended Jun 2026 | Jun 2026 |
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 |
|---|---|---|---|
| Oct 1, 2007 Reel 19900, frame 356 | Myers, Gary L.; Fedusa, Anthony J.; Dick, Robert E. | Alcoa Inc. | Assignment of Assignor's Interest |
| Nov 3, 2016 Reel 40556, frame 141 | Alcoa Inc. | Alcoa USA Corp. | Assignment of Assignor's Interest |
| Jan 27, 2017 Reel 41521, frame 521 | Alcoa USA Corp. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Apr 2, 2021 Reel 55812, frame 759 | JPMorgan Chase Bank, N.A., as Administrative Agent | Alcoa USA Corp. | Release of Security Interest |
| May 12, 2021 Reel 56209, frame 411 | Alcoa USA Corp. | Alcoa Warrick LLC | Assignment of Assignor's Interest |
| May 12, 2021 Reel 56209, frame 464 | Alcoa Warrick LLC | Kaiser Aluminum Warrick, LLC | Change of Name |
| Jun 9, 2021 Reel 56490, frame 29 | Kaiser Aluminum Warrick, LLC | Wells Fargo Bank, National Association, a National Banking Association | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
Citations
29
later US patents cite this one
That is top 25% of utility patents granted in 2011 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.