Lapsed May 29, 2019 on the fee record · High confidence
20-year base term ended Mar 26, 2021
Third maintenance fee unpaid; grace period ended.
Held by Donnelly Corporation
Filed Mar 26, 2001 as application 09/817,874 · Granted May 29, 2007
Base term, 20 years from filing, plus 334 days of patent term adjustment (USPTO delay)
Today
Lapsed May 29, 2019
2001
2026
Clock starts
Mar 26, 2001
Mar 26, 2001
No longer in force
May 29, 2019
May 29, 2019
Granted
May 29, 2007
May 29, 2007
Term would have run to
Feb 23, 2022
Feb 23, 2022
base term
patent term adjustment
after the term ends
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
334
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
414
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Feb 23, 2022: its 20-year base term plus 334 days of term adjustment for prosecution delay. 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 26, 2001, when this application, 09/817,874, was filed | Mar 26, 2021 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +334 days, USPTO patent term adjustment record | Feb 23, 2022 | 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 | 2 of 3 maintenance fees paid | lapsed May 29, 2019 | High confidence |
| Computed term end | The steps above, in order | May 29, 2019 | High confidence |
This family
| US 6,690,268 | Lapsed on the fee record Feb 2016 | Feb 2016 |
| US 6,477,464 | Lapsed on the fee record Nov 2014 | Nov 2014 |
| US 6,538,827 | Lapsed on the fee record Mar 2015 | Mar 2015 |
| Application 09/808,428 | Abandoned not computed | not computed |
| US 7,224,324 | this patent May 2019 | May 2019 |
| US 6,396,408 | Term ended Mar 2021 | Mar 2021 |
| US 6,693,517 | Lapsed on the fee record Feb 2016 | Feb 2016 |
| US 6,341,523 | Term ended no later than Jan 2018 | no later than Jan 2018 |
8 of 414 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Jul 16, 2001 Reel 11982, frame 972 | Quist, Chad D.; O'brien, Francis; Lynam, Niall R. | Donnelly Corporation | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 334 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
367
later US patents cite this one
That is top 1% of utility patents granted in 2007 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.