Term ends Apr 19, 2038 · High confidence
20-year base term ends Sep 26, 2037
Held by Interblock D.O.O.
Filed Sep 26, 2017 as application 15/715,679 · Granted Mar 2, 2021
Base term plus 205 days of patent term adjustment (USPTO delay)
Today
2017
2038
Clock starts
Sep 26, 2017
Sep 26, 2017
Term ends
Apr 19, 2038
Apr 19, 2038
Granted
Mar 2, 2021
Mar 2, 2021
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
205
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.
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 205 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 Sep 26, 2017, when this application, 15/715,679, was filed | Sep 26, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +205 days, USPTO patent term adjustment record | Apr 19, 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 19, 2038 | High confidence |
This family
| US 10,933,304 | this patent Apr 2038 | Apr 2038 |
| US 10,486,058 | In force Feb 2038 | Feb 2038 |
| US 10,537,788 | In force Sep 2037 | Sep 2037 |
| US 10,835,808 | In force Sep 2037 | Sep 2037 |
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 |
|---|---|---|---|
| Oct 19, 2017 Reel 43908, frame 313 | Bergant, Urban; Zavbi, Ivo; Kroselj, Peter | Interblock USA L.C. | Assignment of Assignor's Interest |
| Jun 7, 2022 Reel 60119, frame 143 | Interblock USA L.C. | Acquiom Agency Services LLC | Security Interest |
| Jun 27, 2022 Reel 60320, frame 521 | Interblock USA L.C. | Interblock D.D. | Assignment of Assignor's Interest |
| Aug 4, 2022 Reel 61571, frame 715 | Interblock D.D. | Interblock D.O.O. | Change of Name |
| Sep 19, 2022 Reel 61467, frame 549 | Interblock D.D. | Interblock D.O.O. | Change of Name |
| Oct 15, 2026 Reel 76684, frame 567 | 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. 60119/0143 |
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 19, 2038. Maintenance fees still fall due before then
Note
The 205 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
9
later US patents cite this one
That is top 25% of utility patents granted in 2021 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.