Term ends Apr 20, 2033 · High confidence
20-year base term ends Sep 14, 2032
Held by SPX Flow
Filed Sep 14, 2012 as application 13/615,855 · Granted Jul 4, 2017
Base term plus 749 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2012
2033
Clock starts
Sep 14, 2012
Sep 14, 2012
Term ends
Apr 20, 2033
Apr 20, 2033
Granted
Jul 4, 2017
Jul 4, 2017
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
749
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,327,256.
2 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 749 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 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 Sep 14, 2012, when this application, 13/615,855, was filed | Sep 14, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +749 days, USPTO patent term adjustment record | Oct 3, 2034 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,327,256) | capped to Apr 20, 2033 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 20, 2033 | High confidence |
This family
| US 9,694,329 | this patent Apr 2033 | Apr 2033 |
| US 10,315,171 | In force Aug 2033 | Aug 2033 |
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 |
|---|---|---|---|
| Sep 14, 2012 Reel 28960, frame 919 | Markle, Stephen L.; McCarroll, Michael E. | SPX Corporation | Assignment of Assignor's Interest |
| May 1, 2015 Reel 35561, frame 4 | SPX Corporation | SPX Flow | Assignment of Assignor's Interest |
| Jun 16, 2015 Reel 36147, frame 859 | SPX Corporation | SPX Flow, Inc. | Corrective Assignment to Correct the Receiving Party Data Previously Recorded at Reel: 035561 Frame: 0004. Assignor(S) Hereby Confirms the Assignment. |
| Jul 14, 2016 Reel 39337, frame 749 | 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 67528, frame 708 | Bank Of America, N.a. | SPX Flow, Inc. | Release of Security Interest Recorded at Reel/Frame 039337/0749 |
| 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.
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Alerts on its grants, lapses and transfers.
What's changing
Apr 2033
Term ends Apr 20, 2033. Maintenance fees still fall due before then
Note
The 749 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,327,256.
Citations
4
later US patents cite this one
That is below the median of utility patents granted in 2017 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.