Collateral for a security interest recorded Jun 13, 2024 (Cerberus Business Finance Agency, LLC).
Term ends Mar 11, 2041 · High confidence
20-year base term ends Mar 11, 2041
Held by Englert, Inc.
Filed Mar 11, 2021 as application 17/198,702 · Granted Dec 27, 2022
Base term, 20 years from filing
Today
2021
2041
Clock starts
Mar 11, 2021
Mar 11, 2021
Term ends
Mar 11, 2041
Mar 11, 2041
Granted
Dec 27, 2022
Dec 27, 2022
base term
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
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.
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 Mar 11, 2021, when this application, 17/198,702, was filed | Mar 11, 2041 | 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 | Mar 11, 2041 | High confidence |
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 |
|---|---|---|---|
| Mar 18, 2021 Reel 55632, frame 580 | Lowe, Robert Benton | Englert, Inc. | Assignment of Assignor's Interest |
| Jun 13, 2024 Reel 67725, frame 100 | Great Day Improvements, LLC; Universal Windows Direct, LLC; Champion Window Manufacturing and Supply Co., LLC; The Bath Authority LLC; Englert, Inc.; Leafguard Holdings, Inc. | Cerberus Business Finance Agency, LLC, as Collateral Agent | Intellectual Property Security Agreement |
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
Mar 2041
Term ends Mar 11, 2041. Maintenance fees still fall due before then
Citations
7
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.