Term ends Apr 26, 2038 · High confidence
20-year base term ends Apr 26, 2038
Held by Interblock D.O.O.
Filed Apr 26, 2018 as application 15/963,922 · Granted Jan 21, 2020
Base term, 20 years from filing
Today
2018
2038
Clock starts
Apr 26, 2018
Apr 26, 2018
Term ends
Apr 26, 2038
Apr 26, 2038
Granted
Jan 21, 2020
Jan 21, 2020
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.
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.
5
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. 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 Apr 26, 2018, when this application, 15/963,922, was filed | Apr 26, 2038 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 26, 2038 | High confidence |
This family
| US 10,540,853 | this patent Apr 2038 | Apr 2038 |
| US 10,922,927 | In force Apr 2038 | Apr 2038 |
| US 11,423,745 | In force Apr 2038 | Apr 2038 |
| US 11,887,441 | In force Apr 2038 | Apr 2038 |
| US 12,456,354 | In force Apr 2038 | Apr 2038 |
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 |
|---|---|---|---|
| Jun 8, 2018 Reel 46033, frame 272 | Persson, Eric; Enokido, Kenji; Munakata, Hiroki; Huang, Aaron | Aruze Gaming (Hong Kong) Limited | Assignment of Assignor's Interest |
| Jun 8, 2018 Reel 46033, frame 299 | Persson, Eric; Enokido, Kenji; Munakata, Hiroki; Huang, Aaron; Nakamura, Motoya; Hamao, Kenji | Aruze Gaming (Hong Kong) Limited | Assignment of Assignor's Interest |
| Jun 3, 2021 Reel 56434, frame 199 | Aruze Gaming (Hong Kong) Limited | Aruze Gaming America, Inc. | Assignment of Assignor's Interest |
| Oct 25, 2022 Reel 62305, frame 358 | Aruze Gaming America, Inc. | Aruze Gaming America, Inc. | Change of Address |
| Aug 25, 2023 Reel 64719, frame 441 | Aruze Gaming America, Inc. | Interblock USA L.C. | Assignment of Assignor's Interest |
| Oct 2, 2023 Reel 65101, frame 673 | Interblock USA L.C. | Interblock D.O.O. | Assignment of Assignor's Interest |
| Nov 2, 2023 Reel 65430, frame 971 | Interblock USA L.C. | Acquiom Agency Services LLC | Security Interest |
| Oct 15, 2026 Reel 76684, frame 688 | Acquiom Agency Services LLC, as Collateral Agent | Interblock USA L.C. | Termination and Release of Grant of Intellectual Property Security Agreements at Reel/Frame No. 65430/0971 |
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
Apr 2038
Term ends Apr 26, 2038. Maintenance fees still fall due before then
Citations
10
later US patents cite this one
That is top 25% of utility patents granted in 2020 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.