SRAM Design to Facilitate Single Fin Cut in Double Sidewall Image Transfer Process
US 10,096,521 Surrendered on reissueSurrendered on reissue Jan 9, 2024 · Medium confidence
20-year base term ends Dec 16, 2035
Why Medium: A parent in the chain could not be resolved.
Surrendered on reissue Jan 9, 2024 · its term and maintenance fees continue in US RE49,794.
Dec 16, 2015
Jan 9, 2024
Oct 9, 2018
Dec 16, 2035
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 16, 2015, when the earliest non-provisional application in its chain was filed (this one was filed Jan 3, 2017); a parent in its chain could not be resolved (the next row) | Dec 16, 2035 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | 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 | no change | High confidence |
| Reissue | US RE49,794 issued Jan 9, 2024, and this patent's term continues in it (35 U.S.C. 251, 252) | surrendered Jan 9, 2024 | High confidence |
| Surrendered on reissue | The steps above, in order | Jan 9, 2024 | Medium confidence |
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.