Also listed on Dayco, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Sep 30, 2022 (Wells Fargo Bank, National Association).
Term ends Feb 24, 2029 · High confidence
20-year base term ends Feb 24, 2029
Held by Dayco IP Holdings, LLC
Filed Apr 30, 2012 as application 13/459,730 · Granted Jun 25, 2013
Base term, 20 years from filing
Today
2009
2029
Clock starts
Feb 24, 2009
Feb 24, 2009
Term ends
Feb 24, 2029
Feb 24, 2029
Granted
Jun 25, 2013
Jun 25, 2013
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,192,315, to Feb 24, 2029. The term already ends on or before that date, so the cap shortened nothing.
3 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.
3
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees are recorded paid; no more fees are due. 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 Feb 24, 2009, when application 12/391,505, the earliest non-provisional in its chain, was filed (this one was filed Apr 30, 2012) | Feb 24, 2029 | 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 | Disclaimer resolved from the filed document (refs US 8,192,315) | resolves to Feb 24, 2029, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 24, 2029 | High confidence |
This family
| US 8,192,315 | In force Sep 2030 | Sep 2030 |
| Application PCT/US2010/023262 | PCT application no patent term | no patent term |
| US 8,469,846 | this patent Feb 2029 | Feb 2029 |
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 |
|---|---|---|---|
| Nov 30, 2012 Reel 29378, frame 65 | Dayco Products, LLC | Dayco IP Holdings, LLC | Assignment of Assignor's Interest |
| Jan 14, 2013 Reel 29618, frame 666 | Westelaken, Paul M. | Dayco Products, LLC | Assignment of Assignor's Interest |
| Dec 16, 2013 Reel 31817, frame 737 | Dayco IP Holdings, LLC | Bank of America, N.A., as Collateral Agent | Security Agreement |
| Dec 17, 2013 Reel 31832, frame 554 | Dayco IP Holdings, LLC | Bank of America, N.A., as Agent | Security Agreement |
| May 22, 2017 Reel 42523, frame 770 | Bank of America, N.A, as Collateral Agent | Dayco IP Holdings, LLC; Dayco Products, LLC | Patent Release (REEL:03817/FRAME:0737) |
| May 22, 2017 reel/frame not recorded | Bank of America, N.A, as Collateral Agent | Dayco IP Holdings, LLC | Patent Release (REEL:03817/FRAME:0737) |
| May 22, 2017 reel/frame not recorded | Bank of America, N.A, as Collateral Agent | Dayco Products, LLC | Patent Release (REEL:03817/FRAME:0737) |
| May 23, 2017 Reel 42554, frame 222 | Dayco IP Holdings, LLC | Bank of America, N.A., as Collateral Agent | Security Agreement |
| Sep 30, 2022 Reel 61575, frame 692 | Dayco IP Holdings, LLC; Dayco, LLC | Wells Fargo Bank, National Association | Security Agreement |
| Oct 6, 2022 Reel 61620, frame 98 | Dayco Products, LLC; Dayco, LLC; Dayco IP Holdings, LLC | Blue Torch Finance LLC | Security Interest |
| Oct 7, 2022 Reel 61623, frame 587 | Bank Of America, N.a. | Dayco IP Holdings, LLC | Release (REEL 042554 / Frame 0222) |
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
Feb 2029
Term ends Feb 24, 2029. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,192,315, ends no earlier than this term, so it caps nothing.
Citations
7
later US patents cite this one
That is below the median of utility patents granted in 2013 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.