Term ends Oct 10, 2041 · High confidence
20-year base term ends Feb 2, 2041
Held by SPX Flow, Inc.
Filed Feb 2, 2021 as application 17/165,381 · Granted Apr 11, 2023
Base term plus 250 days of patent term adjustment (USPTO delay)
Today
2021
2041
Clock starts
Feb 2, 2021
Feb 2, 2021
Term ends
Oct 10, 2041
Oct 10, 2041
Granted
Apr 11, 2023
Apr 11, 2023
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
250
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
2
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 runs 250 days past its 20-year base term on 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 Feb 2, 2021, when this application, 17/165,381, was filed | Feb 2, 2041 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +250 days, USPTO patent term adjustment record | Oct 10, 2041 | 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 | Oct 10, 2041 | High confidence |
This family
| US 11,624,563 | this patent Oct 2041 | Oct 2041 |
| Application PCT/US2022/014696 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| Mar 2, 2021 Reel 55460, frame 944 | Shaw, Jonathan Graham | SPX Flow, Inc. | Assignment of Assignor's Interest |
| Aug 4, 2021 Reel 57086, frame 38 | SPX Flow, Inc. | Bank of America, N.A., as Administrative Agent | Notice of Grant of Security Interest in Patents |
| Apr 5, 2022 Reel 59619, frame 158 | Philadelphia Mixing Solutions LLC; SPX Flow Technology USA, Inc.; SPX Flow, Inc.; SPX Flow US, LLC | Citibank, N.a. | Security Interest |
| May 24, 2024 Reel 67626, frame 359 | Bank Of America, N.a. | SPX Flow, Inc. | Release of Security Interest Recorded at Reel/Frame 057086/0038 |
| Mar 5, 2026 Reel 75032, frame 220 | Citibank, N.a. | Philadelphia Mixing Solutions LLC; SPX Flow Technology USA, Inc.; SPX Flow, Inc.; SPX Flow US, LLC | Release of Security Interest |
| Mar 5, 2026 reel/frame not recorded | Citibank, N.a. | Philadelphia Mixing Solutions LLC | Release of Security Interest |
| Mar 5, 2026 reel/frame not recorded | Citibank, N.a. | SPX Flow Technology USA, Inc. | Release of Security Interest |
| Mar 5, 2026 reel/frame not recorded | Citibank, N.a. | SPX Flow, Inc. | Release of Security Interest |
| Mar 5, 2026 reel/frame not recorded | Citibank, N.a. | SPX Flow US, 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 2041
Term ends Oct 10, 2041. Maintenance fees still fall due before then
Note
The 250 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is above 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.