Image recording apparatus, thermal transfer ink ribbon and thermal transfer ink ribbon cassette used in this image recording apparatus
US 6,753,894 Lapsed on the fee recordLapsed Jun 22, 2016 on the fee record · From the USPTO record
20-year base term ended Nov 14, 2021
Third maintenance fee unpaid; grace period ended.
Nov 14, 2001
Jun 22, 2016
Jun 22, 2004
Jul 25, 2022
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Nov 14, 2001, when this application, 09/992,202, was filed | Nov 14, 2021 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +253 days, USPTO patent term adjustment record | Jul 25, 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 Jun 22, 2016 | High confidence |
| Computed term end | The steps above, in order | Jun 22, 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.