Lapsed Sep 1, 2024 on the fee record · High confidence
20-year base term ends Feb 12, 2036
First maintenance fee unpaid; grace period ended.
Held by Esco Group LLC
Filed Jun 21, 2018 as application 16/015,140 · Granted Sep 1, 2020
Base term, 20 years from filing
Today
Lapsed Sep 1, 2024
2016
2036
Clock starts
Feb 12, 2016
Feb 12, 2016
No longer in force
Sep 1, 2024
Sep 1, 2024
Granted
Sep 1, 2020
Sep 1, 2020
Term would have run to
Feb 12, 2036
Feb 12, 2036
base term
after the term ends
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
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.
8
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Feb 12, 2036: its 20-year base term, with no adjustment for prosecution delay. 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 Jun 21, 2018) | Feb 12, 2036 | 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 | lapsed Sep 1, 2024 | High confidence |
| Computed term end | The steps above, in order | Sep 1, 2024 | 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 | this patent 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 | In force 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 |
|---|---|---|---|
| Jun 22, 2018 Reel 46173, frame 474 | Carpenter, Christopher M.; Hyde, Steven D.; Lander, Javier; Betournay, Jason W.; Zuendel, Karsten D. | Esco Corporation | Assignment of Assignor's Interest |
| Aug 17, 2018 Reel 46848, frame 493 | Esco Corporation; Esco Group LLC | Esco Group LLC | Merger and 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.
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Alerts on its grants, lapses and transfers.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2020 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.