Term ends Oct 16, 2035 · High confidence
20-year base term ends Nov 4, 2034
Held by Snap-on Incorporated
Filed Jan 7, 2021 as application 17/143,954 · Granted Aug 8, 2023
Base term plus 346 days of patent term adjustment (USPTO delay)
Today
2014
2035
Clock starts
Nov 4, 2014
Nov 4, 2014
Term ends
Oct 16, 2035
Oct 16, 2035
Granted
Aug 8, 2023
Aug 8, 2023
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
346
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.
8
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 346 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 Nov 4, 2014, when application 14/532,983, the earliest non-provisional in its chain, was filed (this one was filed Jan 7, 2021) | Nov 4, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +346 days, USPTO patent term adjustment record | Oct 16, 2035 | 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 | Oct 16, 2035 | High confidence |
This family
| Application 61/899,833 | Provisional application no patent term | no patent term |
| US 9,672,497 | In force Jan 2035 | Jan 2035 |
| US 10,013,679 | In force Nov 2034 | Nov 2034 |
| US 10,453,036 | In force Nov 2034 | Nov 2034 |
| US 10,891,597 | In force no later than Nov 2034 | no later than Nov 2034 |
| US 11,720,863 | this patent Oct 2035 | Oct 2035 |
| US 12,141,761 | In force Nov 2034 | Nov 2034 |
| Application 18/908,480 | 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 |
|---|---|---|---|
| Jan 9, 2021 Reel 54867, frame 683 | Lewis, Bradley R.; Merg, Patrick S.; Kasturi, Tilak B. | Snap-on Incorporated | Assignment of Assignor's Interest |
| Jan 9, 2021 Reel 54867, frame 646 | Lewis, Bradley R.; Merg, Patrick S. | Snap-on Incorporated | Assignment of Assignor's Interest |
| Jan 9, 2021 Reel 54867, frame 680 | Kelley, Brett A.; Foreman, Jacob G. | Snap-on Incorporated | 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
Oct 2035
Term ends Oct 16, 2035. Maintenance fees still fall due before then
Note
The 346 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
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.