Collateral for a security interest recorded Dec 15, 2021 (Cibc Bank USA).
Term ends Nov 28, 2037 · High confidence
20-year base term ends Nov 28, 2037
Held by Raffel Systems, LLC
Filed Nov 28, 2017 as application 15/824,640 · Granted Feb 12, 2019
Base term, 20 years from filing
Today
2017
2037
Clock starts
Nov 28, 2017
Nov 28, 2017
Term ends
Nov 28, 2037
Nov 28, 2037
Granted
Feb 12, 2019
Feb 12, 2019
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.
4
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 Nov 28, 2017, when this application, 15/824,640, was filed | Nov 28, 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 | 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 | Nov 28, 2037 | High confidence |
This family
| US 10,205,257 | this patent Nov 2037 | Nov 2037 |
| US 10,476,187 | In force Nov 2037 | Nov 2037 |
| US 10,923,840 | In force Nov 2037 | Nov 2037 |
| Application 17/174,575 | 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 |
|---|---|---|---|
| Dec 1, 2017 Reel 44270, frame 288 | Li, Paul; Dorn, Douglas A.; Rohloff, Jason D.; Saul, Justin R. | Raffel Systems, LLC | Assignment of Assignor's Interest |
| Aug 13, 2019 Reel 50040, frame 962 | Raffel Systems, LLC | East West Bank | Security Interest |
| Dec 15, 2021 Reel 58518, frame 348 | Innovative Motion Technologies, LLC; Raffel Systems, LLC; Micro-Air, LLC | Cibc Bank USA, as Agent | Security Interest |
| Jun 13, 2022 Reel 60346, frame 177 | East West Bank | Raffel Systems, LLC. | Release of Security Interest |
| May 14, 2024 Reel 67410, frame 134 | Raffel Systems, LLC; Micro-Air, LLC; Ma Imt Hold Co., LLC; Check Technology Solutions LLC; Innovative Motion Technologies, LLC | Cibc Bank USA, as Agent | Security Interest |
| Mar 24, 2026 Reel 75186, frame 544 | Raffel Systems, LLC; Micro-Air, LLC; Check Technology Solutions LLC | Twin Brook Capital Partners, LLC, as 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
Nov 2037
Term ends Nov 28, 2037. Maintenance fees still fall due before then
Citations
7
later US patents cite this one
That is above the median 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.