Collateral for a security interest recorded Jul 30, 2025 (Zetec, Inc.).
Term ends Oct 19, 2028 · High confidence
20-year base term ended Jul 19, 2026
Held by Zetec, Inc.
Filed Jul 19, 2006 as application 11/458,448 · Granted Jun 8, 2010
Base term plus 823 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Jul 19, 2006
Jul 19, 2006
Term ends
Oct 19, 2028
Oct 19, 2028
Granted
Jun 8, 2010
Jun 8, 2010
base term
patent term adjustment
fee events
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
823
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 823 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 Jul 19, 2006, when this application, 11/458,448, was filed | Jul 19, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +823 days, USPTO patent term adjustment record | Oct 19, 2028 | 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 | Oct 19, 2028 | 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 |
|---|---|---|---|
| Oct 14, 2010 Reel 25137, frame 156 | O'dell, Tom | Zetec, Inc. | Assignment of Assignor's Interest |
| Oct 14, 2010 Reel 25137, frame 169 | Hardy, Florian | Zetec, Inc. | Assignment of Assignor's Interest |
| Mar 15, 2023 Reel 62983, frame 469 | Zetec, Inc. | National Bank of Canada | Security Interest |
| Jun 5, 2025 Reel 71328, frame 530 | Previan Technologies Inc.; Pavemetrics Systems Inc.; Eddyfi Canada Inc.; Zetec, Inc.; Eddyfi Robotics Inc.; Eddyfi Corp.; Eddyfi UK Limited; Senceive Limited | National Bank of Canada | Security Interest |
| Jul 30, 2025 Reel 71881, frame 566 | National Bank of Canada | Zetec, Inc. | Security Interest |
| Jun 3, 2026 Reel 74843, frame 323 | National Bank of Canada | Zetec Inc. | Release of Security 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 2028
Term ends Oct 19, 2028. No further fees fall due before then
Note
The 823 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
40
later US patents cite this one
That is top 25% of utility patents granted in 2010 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.