Collateral for a security interest recorded Oct 9, 2025 (HPS Investment Partners, LLC).
Term ends Mar 10, 2034 · High confidence
20-year base term ends Mar 12, 2032
Held by ABC Technologies Inc.
Filed Jul 1, 2014 as application 14/320,734 · Granted Jul 16, 2019
Base term plus 728 days of patent term adjustment (USPTO delay)
Today
2012
2034
Clock starts
Mar 12, 2012
Mar 12, 2012
Term ends
Mar 10, 2034
Mar 10, 2034
Granted
Jul 16, 2019
Jul 16, 2019
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
728
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.
7
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 728 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 Mar 12, 2012, when application PCT/US2012/028828, the earliest non-provisional in its chain, was filed (this one was filed Jul 1, 2014) | Mar 12, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +728 days, USPTO patent term adjustment record | Mar 10, 2034 | 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 | Mar 10, 2034 | High confidence |
This family
| Application PCT/US2012/028828 | PCT application no patent term | no patent term |
| US 10,432,827 | In force Aug 2033 | Aug 2033 |
| US 9,992,388 | In force Oct 2034 | Oct 2034 |
| US 10,350,647 | this patent Mar 2034 | Mar 2034 |
| Application 15/996,632 | Abandoned not computed | not computed |
| Application 16/212,928 | Abandoned not computed | not computed |
| Application 16/588,143 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Feb 5, 2015 Reel 34893, frame 454 | Hartranft, Evan, MR.; Bower, Robert, MR.; Sridhara, Srinivasaiah, MR.; Romack, Alan, MR.; Berning, Keith, MR.; Hester, Russell, MR.; Koehler, Eric, MR. | Bowles Fluidics Corporation | Assignment of Assignor's Interest |
| Oct 10, 2017 Reel 43823, frame 435 | Bowles Fluidics Corporation; DLH Industries, Inc. | Dlhbowles, Inc. | Merger and Change of Name |
| Jan 6, 2021 Reel 54912, frame 430 | Dlhbowles, Inc. | Madison Capital Funding LLC, as Agent | Security Interest |
| Mar 2, 2022 Reel 59696, frame 313 | Madison Capital Funding LLC | Dlhbowles, Inc. | Release of Security Interest |
| Mar 31, 2022 Reel 59566, frame 954 | Dlhbowles, Inc. | The Bank of Nova Scotia, as Agent | Security Agreement |
| Apr 23, 2024 Reel 67191, frame 884 | Dlhbowles, Inc. | ABC Technologies Inc. | Assignment of Assignor's Interest |
| Apr 23, 2025 Reel 70953, frame 354 | ABC Technologies Inc. | U.S. Bank Trust Company, National Association | Notice of Grant of Security Interest in U.S. Patents |
| May 1, 2025 Reel 71145, frame 595 | The Bank of Nova Scotia | Dlhbowles, Inc. (as Successor in Interest to ABC Group Inc.) | Release of Security Interest |
| Aug 26, 2025 Reel 72552, frame 829 | U.S. Bank Trust Company, National Association, as Collateral Agent | ABC Technologies Inc. | Notice of Release of Security Interest in U.S. Patents, Recorded on April 23, 2025, at Reel/Frame No. 070953/0354 |
| Aug 26, 2025 Reel 72801, frame 830 | U.S. Bank Trust Company, National Association | ABC Technologies Inc. | Notice of Release of Security Interest in U.S. Patents |
| Oct 9, 2025 Reel 73057, frame 444 | ABC Technologies Inc. | HPS Investment Partners, LLC, as Collateral Agent | 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
Mar 2034
Term ends Mar 10, 2034. Maintenance fees still fall due before then
Note
The 728 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
54
later US patents cite this one
That is top 5% of utility patents granted in 2019 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.