Term ends May 15, 2044 · High confidence
20-year base term ends May 15, 2044
Filed May 15, 2024 as application 18/664,687 · Granted May 19, 2026
Base term, 20 years from filing
Today
2024
2044
Clock starts
May 15, 2024
May 15, 2024
Term ends
May 15, 2044
May 15, 2044
Granted
May 19, 2026
May 19, 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.
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.
3
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 May 15, 2024, when this application, 18/664,687, was filed | May 15, 2044 | 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 | May 15, 2044 | High confidence |
This family
| US 12,631,093 | this patent May 2044 | May 2044 |
| Application PCT/US2024/029651 | PCT application no patent term | no patent term |
| Application 19/637,654 | 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 |
|---|---|---|---|
| May 15, 2024 Reel 67425, frame 373 | Keyes, Cullen Craig; Janke, Ian Graham; Griffin, Lawrence Gene | Defiant Engineering, LLC | Assignment of Assignor's Interest |
| Nov 5, 2025 Reel 73486, frame 252 | Defiant Engineering, LLC | Defiant Precision Technologies, LLC | Change of Name |
| Nov 19, 2025 Reel 73606, frame 433 | Defiant Engineering, LLC | Defiant Precision Technologies, LLC | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
May 2044
Term ends May 15, 2044. Maintenance fees still fall due before then
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.