Term ends Dec 31, 2039 · High confidence
20-year base term ends Dec 31, 2039
Filed Dec 31, 2019 as application 16/731,671 · Granted May 31, 2022
Base term, 20 years from filing
Today
2019
2039
Clock starts
Dec 31, 2019
Dec 31, 2019
Term ends
Dec 31, 2039
Dec 31, 2039
Granted
May 31, 2022
May 31, 2022
base term
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
None
Term adjustment
No prosecution delay on this record.
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 is its 20-year base term, with no adjustment for 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 Dec 31, 2019, when this application, 16/731,671, was filed | Dec 31, 2039 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 31, 2039 | High confidence |
This family
| US 11,346,099 | this patent Dec 2039 | Dec 2039 |
| US 11,834,822 | In force Dec 2039 | Dec 2039 |
| US 12,774,597 | In force Dec 2039 | Dec 2039 |
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 |
|---|---|---|---|
| Feb 28, 2020 Reel 51965, frame 42 | Gantt, William A. | Independence Materials Group, LLC | Assignment of Assignor's Interest |
| Dec 22, 2021 Reel 58455, frame 739 | Foundation Systems of Michigan, LLC; Independence Materials Group, LLC | Twin Brook Capital Partners, LLC, as Administrative Agent | Security Interest |
| Mar 15, 2023 Reel 62989, frame 98 | Twin Brook Capital Partners, LLC | Foundation Systems of Michigan, LLC; Independence Materials Group, LLC | Release of Security Interest |
| Mar 15, 2023 Reel 62994, frame 585 | Independence Materials Group, LLC; Afs Newco, LLC | Golub Capital Markets LLC, as Collateral Agent | Security Interest |
| Mar 15, 2023 reel/frame not recorded | Twin Brook Capital Partners, LLC | Foundation Systems of Michigan, LLC | Release of Security Interest |
| Mar 15, 2023 reel/frame not recorded | Twin Brook Capital Partners, LLC | Independence Materials Group, LLC | Release of Security Interest |
| Mar 26, 2024 Reel 66910, frame 177 | Independence Materials Group, LLC; Jes Construction, LLC | Golub Capital Markets LLC | Security Interest |
| Mar 27, 2024 Reel 66925, frame 220 | Golub Capital Markets LLC, as Collateral Agent | Independence Materials Group, LLC; Afs Newco, LLC | Release of Security Interest |
| Mar 27, 2024 reel/frame not recorded | Golub Capital Markets LLC, as Collateral Agent | Independence Materials Group, LLC | Release of Security Interest |
| Mar 27, 2024 reel/frame not recorded | Golub Capital Markets LLC, as Collateral Agent | Afs Newco, 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.
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Alerts on its grants, lapses and transfers.
What's changing
Dec 2039
Term ends Dec 31, 2039. Maintenance fees still fall due before then
Citations
4
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.