Collateral for a security interest recorded Oct 1, 2024 (Goldman Sachs Bank USA).
Term ends Feb 22, 2036 · High confidence
20-year base term ends Sep 11, 2035
Held by Usalco, LLC
Filed May 11, 2018 as application 15/977,387 · Granted Mar 16, 2021
Base term plus 164 days of patent term adjustment (USPTO delay)
Today
2015
2036
Clock starts
Sep 11, 2015
Sep 11, 2015
Term ends
Feb 22, 2036
Feb 22, 2036
Granted
Mar 16, 2021
Mar 16, 2021
base term
patent term adjustment
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
164
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 164 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 Sep 11, 2015, when application 14/852,458, the earliest non-provisional in its chain, was filed (this one was filed May 11, 2018) | Sep 11, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +164 days, USPTO patent term adjustment record | Feb 22, 2036 | 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 | Feb 22, 2036 | High confidence |
This family
| US 10,040,072 | In force Oct 2035 | Oct 2035 |
| US 9,878,918 | In force Sep 2035 | Sep 2035 |
| US 10,947,124 | this patent Feb 2036 | Feb 2036 |
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 26, 2018 Reel 47248, frame 125 | Dulko, James M.; Wonder, Bruce | Usalco, LLC | Assignment of Assignor's Interest |
| Jun 5, 2020 Reel 52856, frame 639 | Usalco, LLC | Ally Bank | Security Interest |
| Oct 19, 2021 Reel 57830, frame 579 | Usalco, LLC; G2O Technologies LLC | Twin Brook Capital Partners, LLC, as Agent | Security Interest |
| Oct 25, 2021 Reel 57888, frame 736 | Ally Bank | Usalco, LLC | Release of Security Interest |
| Oct 1, 2024 Reel 68750, frame 624 | Twin Brook Capital Partners, LLC, as Agent | Usalco, LLC; G20 Technologies LLC | Release of Security Interest |
| Oct 1, 2024 Reel 69050, frame 516 | G2O Technologies LLC; Usalco, LLC | Goldman Sachs Bank USA, as Collateral Agent | Security Agreement |
| Oct 1, 2024 reel/frame not recorded | Twin Brook Capital Partners, LLC, as Agent | Usalco, LLC | Release of Security Interest |
| Oct 1, 2024 reel/frame not recorded | Twin Brook Capital Partners, LLC, as Agent | G20 Technologies LLC | Release of 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 2036
Term ends Feb 22, 2036. Maintenance fees still fall due before then
Note
The 164 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is above the median of utility patents granted in 2021 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.