Collateral for a security interest recorded Jan 30, 2025 (Rochefort Management LLC).
Term ends Apr 30, 2041 · High confidence
20-year base term ends Nov 6, 2038
Held by Divergent Technologies, Inc.
Filed Nov 6, 2018 as application 16/182,478 · Granted Dec 6, 2022
USPTO first gave this application the number US 11,458,576 and withdrew it before it issued. That number now leads here.
Base term plus 906 days of patent term adjustment (USPTO delay)
Today
2018
2041
Clock starts
Nov 6, 2018
Nov 6, 2018
Term ends
Apr 30, 2041
Apr 30, 2041
Granted
Dec 6, 2022
Dec 6, 2022
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
906
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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 runs 906 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Nov 6, 2018, when this application, 16/182,478, was filed | Nov 6, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +906 days, USPTO patent term adjustment record | Apr 30, 2041 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 30, 2041 | High confidence |
This family
| US 11,517,984 | this patent Apr 2041 | Apr 2041 |
| US 12,151,316 | In force Nov 2038 | Nov 2038 |
| Application 18/922,224 | 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 |
|---|---|---|---|
| Jan 23, 2019 Reel 48107, frame 839 | Jacquemetton, Lars; Dave, Vivek R.; Cola, Mark J.; Wikle, Glenn; Madigan, R. Bruce | Sigma Labs, Inc. | Assignment of Assignor's Interest |
| Jan 24, 2024 Reel 66365, frame 316 | Sigma Labs, Inc. | Divergent Technologies, Inc. | Assignment of Assignor's Interest |
| May 30, 2024 Reel 67569, frame 171 | Divergent Technologies, Inc. | Western Alliance Bank | Security Interest |
| Jan 29, 2025 Reel 70048, frame 543 | Western Alliance Bank | Divergent Technologies, Inc. | Release of Security Interest |
| Jan 30, 2025 Reel 70074, frame 290 | Divergent Technologies, Inc.; CZV, Inc. | Rochefort Management LLC | Security Interest |
| Sep 3, 2025 Reel 73006, frame 590 | Rochefort Management LLC | Acquiom Agency Services LLC | 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.
What's changing
Apr 2041
Term ends Apr 30, 2041. Maintenance fees still fall due before then
Note
The 906 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
later US patents cite this one
That is top 25% of utility patents granted in 2022 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.