Collateral for a security interest recorded Feb 13, 2024 (KKR Loan Administration Services LLC).
Term ends Oct 19, 2037 · High confidence
20-year base term ends Oct 19, 2037
Filed Dec 27, 2021 as application 17/562,767 · Granted Aug 29, 2023
Base term, 20 years from filing
Today
2017
2037
Clock starts
Oct 19, 2017
Oct 19, 2017
Term ends
Oct 19, 2037
Oct 19, 2037
Granted
Aug 29, 2023
Aug 29, 2023
base term
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,685,201, to Oct 19, 2037. The term already ends on or before that date, so the cap shortened nothing.
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.
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 3 maintenance fees are 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 Oct 19, 2017, when application PCT/US2017/057480, the earliest non-provisional in its chain, was filed (this one was filed Dec 27, 2021) | Oct 19, 2037 | 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 | Disclaimer resolved from the filed document (refs US 11,685,201) | resolves to Oct 19, 2037, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 19, 2037 | High confidence |
This family
| Application PCT/US2017/057480 | PCT application no patent term | no patent term |
| US 11,685,201 | In force Sep 2040 | Sep 2040 |
| US 11,738,611 | this patent Oct 2037 | Oct 2037 |
| Application 18/199,798 | Abandoned not computed | not computed |
| US 12,233,674 | In force Oct 2037 | Oct 2037 |
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 28, 2021 Reel 58487, frame 454 | Musgrave, Tim; Hennig, Mark Kevin; Robertson, Charles Blanton; Snider, James Raymond; Gravell, Jonathan | Equalaire Systems, Inc. | Assignment of Assignor's Interest |
| Jul 15, 2022 Reel 60667, frame 237 | Equalaire Systems, Inc. | Pressure Systems International, LLC | Assignment of Assignor's Interest |
| Aug 29, 2022 Reel 61356, frame 146 | Pressure Systems International, LLC; Fleetilla, LLC | Midcap Financial Trust, As Administrative Agent | Security Interest |
| Feb 13, 2024 Reel 66566, frame 815 | Pressure Systems International, LLC | KKR Loan Administration Services LLC | Security Interest |
| Feb 13, 2024 Reel 66582, frame 756 | Midcap Financial Trust | Pressure Systems International, LLC; Fleetilla, LLC | Release of Security Interest |
| Feb 13, 2024 reel/frame not recorded | Midcap Financial Trust | Pressure Systems International, LLC | Release of Security Interest |
| Feb 13, 2024 reel/frame not recorded | Midcap Financial Trust | Fleetilla, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Oct 2037
Term ends Oct 19, 2037. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 11,685,201, ends no earlier than this term, so it caps nothing.
Citations
3
later US patents cite this one
That is top 25% 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.