Also listed on SKF AI Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 11, 2039 · High confidence
20-year base term ends Aug 12, 2039
Held by Aktiebolaget SKF
Filed Feb 1, 2021 as application 17/163,920 · Granted Nov 21, 2023
Base term plus 91 days of patent term adjustment (USPTO delay)
Today
2019
2039
Clock starts
Aug 12, 2019
Aug 12, 2019
Term ends
Nov 11, 2039
Nov 11, 2039
Granted
Nov 21, 2023
Nov 21, 2023
base term
patent term adjustment
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
91
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.
2
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 91 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 Aug 12, 2019, when application PCT/US2019/046121, the earliest non-provisional in its chain, was filed (this one was filed Feb 1, 2021) | Aug 12, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +91 days, USPTO patent term adjustment record | Nov 11, 2039 | 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 | Nov 11, 2039 | High confidence |
This family
| Application PCT/US2019/046121 | PCT application no patent term | no patent term |
| US 11,822,323 | this patent Nov 2039 | Nov 2039 |
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 |
|---|---|---|---|
| Feb 1, 2021 Reel 55096, frame 832 | Lavid Ben Lulu, David; Ghrayeb, Waseem | SKF AI, Ltd. | Assignment of Assignor's Interest |
| Sep 10, 2021 Reel 57450, frame 220 | SKF AI Ltd. | Aktiebolaget SKF | Assignment of Assignor's 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 2039
Term ends Nov 11, 2039. Maintenance fees still fall due before then
Note
The 91 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2023 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.