Collateral for a security interest recorded Jan 31, 2025 (Hercules Capital, Inc.).
Term ends Dec 14, 2038 · High confidence
20-year base term ends Mar 29, 2038
Held by Vulcanforms Inc.
Filed Dec 3, 2020 as application 17/110,843 · Granted Feb 25, 2025
Base term plus 260 days of patent term adjustment (USPTO delay)
Today
2018
2038
Clock starts
Mar 29, 2018
Mar 29, 2018
Term ends
Dec 14, 2038
Dec 14, 2038
Granted
Feb 25, 2025
Feb 25, 2025
base term
patent term adjustment
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
260
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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 runs 260 days past its 20-year base term on prosecution delay. 0 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 Mar 29, 2018, when application 15/940,315, the earliest non-provisional in its chain, was filed (this one was filed Dec 3, 2020) | Mar 29, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +260 days, USPTO patent term adjustment record | Dec 14, 2038 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 14, 2038 | High confidence |
This family
| US 10,875,094 | In force Sep 2038 | Sep 2038 |
| Application PCT/US2019/024832 | PCT application no patent term | no patent term |
| US 12,233,476 | this patent Dec 2038 | Dec 2038 |
| Application 19/028,087 | Pending 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 |
|---|---|---|---|
| May 26, 2021 Reel 56361, frame 712 | Feldmann, Martin C.; Komsta, Jan Pawel; Sweetland, Matthew | Vulcanforms Inc. | Assignment of Assignor's Interest |
| Jan 31, 2025 Reel 70076, frame 270 | Vulcanforms Inc.; Arwood Machine Corporation | Hercules Capital, Inc. | Security Interest |
| Feb 7, 2025 Reel 70149, frame 420 | Vulcanforms Inc.; Arwood Machine Corporation | Stifel Bank | 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
Dec 2038
Term ends Dec 14, 2038. Maintenance fees still fall due before then
Note
The 260 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.