Driving and transmitting element for an escapement, roller table and escapement equipped with them, and timepiece including them
US 8,118,480 Lapsed on the fee recordLapsed Feb 21, 2016 on the fee record · From the USPTO record
20-year base term ends Dec 23, 2028
First maintenance fee unpaid; grace period ended.
Dec 23, 2008
Feb 21, 2016
Feb 21, 2012
May 3, 2030
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 23, 2008, when this application, 12/342,474, was filed | Dec 23, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +496 days, USPTO patent term adjustment record | May 3, 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 | 0 of 3 maintenance fees paid | lapsed Feb 21, 2016 | High confidence |
| Computed term end | The steps above, in order | Feb 21, 2016 | 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.