Also listed on Adaptive Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Mar 19, 2027 · High confidence
20-year base term ended Jul 27, 2026
Held by Gentex Corporation
Filed Jul 27, 2006 as application 11/494,067 · Granted Nov 25, 2008
Base term plus 235 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Jul 27, 2006
Jul 27, 2006
Term ends
Mar 19, 2027
Mar 19, 2027
Granted
Nov 25, 2008
Nov 25, 2008
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
235
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.
9
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 235 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 27, 2006, when this application, 11/494,067, was filed | Jul 27, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +235 days, USPTO patent term adjustment record | Mar 19, 2027 | 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 | Mar 19, 2027 | High confidence |
This family
| US 7,206,425 | Term ended Jul 2025 | Jul 2025 |
| Application PCT/US2004/001912 | PCT application no patent term | no patent term |
| US 7,457,428 | this patent Mar 2027 | Mar 2027 |
| Application PCT/US2007/073867 | PCT application no patent term | no patent term |
| Application PCT/US2007/086381 | PCT application no patent term | no patent term |
| US 7,703,572 | In force Dec 2027 | Dec 2027 |
| US 8,285,408 | In force Nov 2030 | Nov 2030 |
| US 7,854,294 | In force Dec 2027 | Dec 2027 |
8 of 9 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 27, 2006 Reel 18137, frame 357 | Vaudrey, Michael A.; Saunders, William; Du, Yu; Hager, Jonathan | Adaptive Technologies, Inc. | Assignment of Assignor's Interest |
| Mar 28, 2011 Reel 26034, frame 656 | Adaptive Technologies, Inc. | Aegisound LLC | Assignment of Assignor's Interest |
| Sep 4, 2012 Reel 29803, frame 968 | Adaptive Technologies | Department of the Navy | Confirmatory License |
| Sep 2, 2020 Reel 53676, frame 980 | Aegisound, LLC | Gentex 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2027
Term ends Mar 19, 2027. No further fees fall due before then
Note
The 235 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 2008 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.