Collateral for a security interest recorded Feb 19, 2026 (First-Citizens Bank & Trust Company).
Term ends Feb 20, 2044 · High confidence
20-year base term ends Oct 4, 2043
Held by Luxwall, Inc.
Filed Oct 4, 2023 as application 18/376,473 · Granted Oct 14, 2025
Base term plus 139 days of patent term adjustment (USPTO delay)
Today
2023
2044
Clock starts
Oct 4, 2023
Oct 4, 2023
Term ends
Feb 20, 2044
Feb 20, 2044
Granted
Oct 14, 2025
Oct 14, 2025
base term
patent term adjustment
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
139
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 12,434,994, US 12,467,308, to Feb 20, 2044. The term already ends on or before that date, so the cap shortened nothing.
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.
67
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 139 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 4, 2023, when this application, 18/376,473, was filed | Oct 4, 2043 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +139 days, USPTO patent term adjustment record | Feb 20, 2044 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 12,434,994, US 12,467,308) | resolves to Feb 20, 2044, no earlier than this term, so no change | 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 | Feb 20, 2044 | High confidence |
This family
| Application PCT/US2023/078804 | PCT application no patent term | no patent term |
| US 12,442,243 | this patent Feb 2044 | Feb 2044 |
| US 12,442,244 | In force Feb 2044 | Feb 2044 |
| US 12,467,308 | In force Feb 2044 | Feb 2044 |
| US 12,434,994 | In force Feb 2044 | Feb 2044 |
| US 12,377,639 | In force Apr 2044 | Apr 2044 |
| US 12,529,257 | In force May 2044 | May 2044 |
| US 12,365,164 | In force Mar 2044 | Mar 2044 |
8 of 67 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 |
|---|---|---|---|
| Dec 1, 2023 Reel 65728, frame 28 | Thomsen, Scott V. | Luxwall, Inc. | Assignment of Assignor's Interest |
| Feb 19, 2026 Reel 74938, frame 702 | Luxwall, Inc. | First-Citizens Bank & Trust Company | 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.
What's changing
Feb 2044
Term ends Feb 20, 2044. Maintenance fees still fall due before then
Note
The 139 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 12,434,994, US 12,467,308, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 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.