Collateral for a security interest recorded May 21, 2014 (Cerberus Business Finance, LLC).
Term ends Dec 7, 2026 · High confidence
20-year base term ended Mar 28, 2026
Held by Stant USA Corp.
Filed Mar 28, 2006 as application 11/277,745 · Granted Aug 4, 2009
Base term plus 254 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
Mar 28, 2006
Mar 28, 2006
Term ends
Dec 7, 2026
Dec 7, 2026
Granted
Aug 4, 2009
Aug 4, 2009
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
254
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
This patent's term runs 254 days past its 20-year base term on prosecution delay. 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 Mar 28, 2006, when this application, 11/277,745, was filed | Mar 28, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +254 days, USPTO patent term adjustment record | Dec 7, 2026 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 7, 2026 | High confidence |
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 19, 2006 Reel 17809, frame 82 | Devall, Jeffrey E. | Stant Manufacturing Inc. | Assignment of Assignor's Interest |
| Jun 27, 2008 Reel 21158, frame 232 | Stant Corporation; Standard-Thomson Corporation; Stant Manufacturing Inc. | Gmac Commerical Finance LLC, as Agent | Security Agreement |
| Nov 5, 2009 Reel 23471, frame 86 | Stant Manufacturing Inc. | Stant USA Corp. | Assignment of Assignor's Interest |
| Nov 10, 2009 Reel 23498, frame 35 | Stant USA Corp. | Gmac Commerical Finance LLC, as Agent | Security Agreement |
| Nov 11, 2009 Reel 23498, frame 499 | Gmac Commerical Finance LLC, as Agent | Stant Corporation; Standard-Thomson; Stant Manufacturing Inc. | Release of Security Interest |
| Nov 11, 2009 reel/frame not recorded | Gmac Commerical Finance LLC, as Agent | Stant Corporation | Release of Security Interest |
| Nov 11, 2009 reel/frame not recorded | Gmac Commerical Finance LLC, as Agent | Standard-Thomson | Release of Security Interest |
| Nov 11, 2009 reel/frame not recorded | Gmac Commerical Finance LLC, as Agent | Stant Manufacturing Inc. | Release of Security Interest |
| May 21, 2014 Reel 32972, frame 152 | Stant USA Corp. | Cerberus Business Finance, LLC, as Collateral Agent | Grant of a Security Interest -- Patents |
| May 21, 2014 Reel 32982, frame 598 | Ally Commercial Finance LLC (Formerly Known as Gmac Commercial Finance LLC) | Stant USA Corp. | Release of Grant of a Security Interest -- Patents |
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.
What's changing
Dec 2026
Term ends Dec 7, 2026. No further fees fall due before then
Note
The 254 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
20
later US patents cite this one
That is above the median of utility patents granted in 2009 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.