Also listed on Redzone Robotics, Inc., a Delaware Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Dec 20, 2022 (First Commonwealth Bank).
Term ends Sep 28, 2036 · High confidence
20-year base term ends Sep 28, 2036
Held by Redzone Robotics, Inc.
Filed Sep 28, 2016 as application 15/278,879 · Granted Mar 27, 2018
Base term, 20 years from filing
Today
2016
2036
Clock starts
Sep 28, 2016
Sep 28, 2016
Term ends
Sep 28, 2036
Sep 28, 2036
Granted
Mar 27, 2018
Mar 27, 2018
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
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 is its 20-year base term, with no adjustment for prosecution delay. 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 28, 2016, when this application, 15/278,879, was filed | Sep 28, 2036 | 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 | None on record | no cap applied | 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 | Sep 28, 2036 | High confidence |
This family
| US 10,220,423 | In force Mar 2037 | Mar 2037 |
| US 10,309,949 | In force Mar 2037 | Mar 2037 |
| US 10,115,237 | In force Sep 2036 | Sep 2036 |
| US 9,927,354 | this patent Sep 2036 | Sep 2036 |
| Application PCT/US2017/053703 | PCT application no patent term | no patent term |
| US 10,859,554 | Lapsed on the fee record Dec 2024 | Dec 2024 |
| US 11,674,943 | In force Sep 2036 | Sep 2036 |
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 28, 2016 Reel 39879, frame 330 | Starr, Justin; Lettman, John; Kueny, Todd; Salotti, Foster J.; Konakchiev, Galin | Redzone Robotics, Inc. | Assignment of Assignor's Interest |
| Jun 4, 2018 Reel 45982, frame 558 | Redzone Robotics, Inc. | Monroe Capital Management Advisors, LLC, as Administrative Agent | Security Interest |
| Sep 17, 2019 Reel 50407, frame 158 | Redzone Robotics, Inc. | Monroe Capital Management Advisors, LLC, as Administrative Agent | Security Interest |
| Dec 20, 2022 Reel 62160, frame 326 | Monroe Capital Management Advisors, LLC | Redzone Robotics, Inc., a Delaware Corporation | Release of Security Interest |
| Dec 20, 2022 Reel 62160, frame 976 | Redzone Robotics, Inc.; RZR Holdco, Inc.; RZR Buyer Sub, Inc. | First Commonwealth Bank | 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
Sep 2036
Term ends Sep 28, 2036. Maintenance fees still fall due before then
Citations
23
later US patents cite this one
That is top 25% of utility patents granted in 2018 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.