Term ends Feb 7, 2045 · Medium confidence
20-year base term ends Feb 7, 2045
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 12,519,840), so the cap could be lower.
Held by Hackseal Corporation
Filed Dec 2, 2025 as application 19/406,023 · Granted Sep 1, 2026
Base term, 20 years from filing
Today
2025
2045
Clock starts
Feb 7, 2025
Feb 7, 2025
Term ends
Feb 7, 2045
Feb 7, 2045
Granted
Sep 1, 2026
Sep 1, 2026
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 12,519,840, to Feb 7, 2045. 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.
9
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. 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: 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 Feb 7, 2025, when application 19/048,482, the earliest non-provisional in its chain, was filed (this one was filed Dec 2, 2025) | Feb 7, 2045 | 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 | Disclaimer resolved from the filed document (refs US 12,519,840) | resolves to Feb 7, 2045, no earlier than this term, so no change | Medium 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 7, 2045 | Medium confidence |
This family
| Application 19/048,482 | Pending not computed | not computed |
| US 12,519,840 | In force no later than Feb 2045 | no later than Feb 2045 |
| Application 19/350,436 | Pending not computed | not computed |
| Application PCT/US2025/049757 | PCT application no patent term | no patent term |
| Application PCT/US2025/052307 | PCT application no patent term | no patent term |
| Application 19/406,044 | Pending not computed | not computed |
| Application 19/406,454 | Pending not computed | not computed |
| US 12,726,525 | this patent Feb 2045 | Feb 2045 |
8 of 9 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 |
|---|---|---|---|
| Jun 8, 2026 Reel 74887, frame 247 | Abotchie, David D. | Hackseal Corporation | Assignment of Assignor's 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
Feb 2045
Term ends Feb 7, 2045. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 12,519,840, ends no earlier than this term, so it caps nothing.
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.