Display apparatus which adjusts the responsivity of the display brightness to ambient lighting based on the time of day
US 8,717,341 Lapsed on the fee recordLapsed May 6, 2026 on the fee record · From the USPTO record
20-year base term ends Jan 26, 2030
Third maintenance fee unpaid; grace period ended.
Jan 26, 2010
May 6, 2026
May 6, 2014
Dec 21, 2030
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jan 26, 2010, when this application, 13/140,961, was filed | Jan 26, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +329 days, USPTO patent term adjustment record | Dec 21, 2030 | 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 6, 2026 | High confidence |
| Computed term end | The steps above, in order | May 6, 2026 | From the USPTO record |
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.
Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.
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.