Term ends Aug 16, 2036 · High confidence
20-year base term ends Feb 12, 2036
Held by Esco Group LLC
Filed Aug 14, 2020 as application 16/993,720 · Granted Dec 26, 2023
Base term plus 186 days of patent term adjustment (USPTO delay)
Today
2016
2036
Clock starts
Feb 12, 2016
Feb 12, 2016
Term ends
Aug 16, 2036
Aug 16, 2036
Granted
Dec 26, 2023
Dec 26, 2023
base term
patent term adjustment
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
186
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
8
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 186 days past its 20-year base term on 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 Feb 12, 2016, when application 15/043,482, the earliest non-provisional in its chain, was filed (this one was filed Aug 14, 2020) | Feb 12, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +186 days, USPTO patent term adjustment record | Aug 16, 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 16, 2036 | High confidence |
This family
| US 10,011,975 | In force Feb 2036 | Feb 2036 |
| US 10,787,792 | In force Feb 2036 | Feb 2036 |
| US 10,633,831 | In force Feb 2036 | Feb 2036 |
| US 10,633,832 | In force Feb 2036 | Feb 2036 |
| US 10,760,247 | Lapsed on the fee record Sep 2024 | Sep 2024 |
| US 10,669,698 | Lapsed on the fee record Jun 2024 | Jun 2024 |
| US 10,612,213 | In force Feb 2036 | Feb 2036 |
| US 11,851,848 | this patent Aug 2036 | Aug 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 |
|---|---|---|---|
| Aug 24, 2021 Reel 57271, frame 944 | Esco Corporation; Esco Group LLC | Esco Group LLC | Merger and Change of Name |
| Aug 24, 2021 Reel 57271, frame 616 | Carpenter, Christopher M; Hyde, Steven D; Lander, Javier; Betournay, Jason W; Zuendel, Karsten D | Esco 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2036
Term ends Aug 16, 2036. Maintenance fees still fall due before then
Note
The 186 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2023 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.