Collateral for a security interest recorded May 24, 2024 (Oha Agency LLC).
Term ends Sep 3, 2028 · Medium confidence
20-year base term ends Sep 3, 2028
Why Medium: A parent in the chain could not be resolved.
Held by Cleaning Systems, LLC
Filed Dec 7, 2020 as application 17/113,375 · Granted Jun 27, 2023
Base term, 20 years from filing
Today
2008
2028
Clock starts
Sep 3, 2008
Sep 3, 2008
Term ends
Sep 3, 2028
Sep 3, 2028
Granted
Jun 27, 2023
Jun 27, 2023
base term
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,857,982, US 9,676,371, US 9,932,018, to Sep 3, 2028. The term already ends on or before that date, so the cap shortened nothing.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
5
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 1 maintenance fees are paid so far. Confidence: Medium. 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 Sep 3, 2008, when application 12/203,510, the earliest non-provisional in its chain, was filed (this one was filed Dec 7, 2020); a parent in its chain could not be resolved (the next row) | Sep 3, 2028 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,857,982, US 9,676,371, US 9,932,018) | resolves to Sep 3, 2028, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 3, 2028 | Medium confidence |
This family
| US 9,676,371 | In force Jan 2032 | Jan 2032 |
| US 9,932,018 | In force Sep 2028 | Sep 2028 |
| US 10,857,982 | In force Sep 2028 | Sep 2028 |
| US 11,685,343 | this patent Sep 2028 | Sep 2028 |
4 of 5 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Dec 29, 2020 Reel 54767, frame 843 | Cleaning Systems, LLC | Ares Capital Corporation, As Administrative Agent | Security Interest |
| Sep 23, 2022 Reel 61192, frame 427 | Krause, David R; Pansier, Donald J; Mathys, Daniel J | Cleaning Systems, Inc. | Assignment of Assignor's Interest |
| Sep 23, 2022 Reel 61509, frame 608 | Cleaning Systems, Inc. | Cleaning Systems, LLC | Conversion |
| May 24, 2024 Reel 67519, frame 797 | Cleaning Systems, LLC | Oha Agency LLC, as Administrative Agent | Security Interest |
| May 24, 2024 Reel 67528, frame 490 | Ares Capital Corporation, As Agent | Cleaning Systems, LLC | Release of Security Interest in Intellectual Property at R/F 054767/0843 |
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
Sep 2028
Term ends Sep 3, 2028. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,857,982, US 9,676,371, US 9,932,018, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite 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.