Multi-function module incorporating flash memory and enhanced I/O interface that can translate data from one format into another format for subsequent transmission to an external device
US 6,442,625 Lapsed on the fee recordLapsed Aug 27, 2006 on the fee record · From the USPTO record
20-year base term ended Apr 21, 2018
First maintenance fee unpaid; grace period ended.
Apr 21, 1998
Aug 27, 2006
Aug 27, 2002
Apr 21, 2018
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 21, 1998, when the earliest non-provisional application in its chain was filed (this one was filed Oct 30, 2000) | Apr 21, 2018 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Aug 27, 2006 | High confidence |
| Computed term end | The steps above, in order | Aug 27, 2006 | 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.