Collateral for a security interest recorded Jun 13, 2024 (Cerberus Business Finance Agency, LLC).
Term ends Jan 28, 2028 · High confidence
20-year base term ended Jul 25, 2025
Held by Englert, Inc.
Filed Jul 25, 2005 as application 11/188,369 · Granted Sep 22, 2009
Base term plus 917 days of patent term adjustment (USPTO delay)
Today
2005
2028
Clock starts
Jul 25, 2005
Jul 25, 2005
Term ends
Jan 28, 2028
Jan 28, 2028
Granted
Sep 22, 2009
Sep 22, 2009
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
917
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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 runs 917 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jul 25, 2005, when this application, 11/188,369, was filed | Jul 25, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +917 days, USPTO patent term adjustment record | Jan 28, 2028 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 28, 2028 | 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 |
|---|---|---|---|
| Jul 25, 2005 Reel 16809, frame 859 | Meyer, Bruce E. | Englert, Inc. | Assignment of Assignor's Interest |
| Dec 1, 2009 Reel 23574, frame 907 | Englert, Inc. | Bank Of America, N.a. | Security Agreement |
| Jul 14, 2011 Reel 26595, frame 774 | Englert, Inc. | Bank Of America, N.a. | Corrective Assignment to Correct the One Patent Number WS Incorrectly Identified. Patent Number "0751162" Should Instead Read; 7591162" Previously Recorded on Reel 026539 Frame 0776. Assignor(S) Hereby Confirms the Notice of Recordation of Assignment Should Reference Patent Number 7591162 Not 0751162. |
| Mar 5, 2019 Reel 48512, frame 867 | Bank Of America, N.a. | Englert, Inc. | Termination and Release of Security Agreement |
| Mar 5, 2019 Reel 48512, frame 945 | Bank Of America, N.a. | Englert, Inc. | Second Termination and Release of Security Agreement |
| Mar 6, 2019 Reel 48516, frame 962 | Englert, Inc. | Midcap Financial Trust | Security 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 |
| Jun 14, 2024 Reel 67735, frame 100 | Midcap Financial Trust | Englert, Inc. | Termination and Release of Security Interest in Patents |
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
Jan 2028
Term ends Jan 28, 2028. No further fees fall due before then
Note
The 917 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2009 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.