Power Roll Limited
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jun 2031
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Mar 3, 2027The maintenance fee for Optoelectronic device and method of producing the same (US 10,403,773) comes due Mar 3, 2027. Unpaid by Sep 3, 2027, it lapses early.
- 1 fee due Apr 3, 2027The maintenance fee for Energy storage (US 11,777,046) comes due Apr 3, 2027. Unpaid by Oct 4, 2027, it lapses early.
- 1 fee due Jun 5, 2027The maintenance fee for Energy storage device comprising a groove with capacitor material therein (US 11,837,413) comes due Jun 5, 2027. Unpaid by Dec 6, 2027, it lapses early.
- 1 fee due Sep 10, 2027The maintenance fee for Gap between semiconductors (US 10,586,881) comes due Sep 10, 2027. Unpaid by Mar 10, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,665,737 | Method of Making a Structure Comprising Coating Steps and Corresponding Structure and Devices In force · Medium confidence | In force | Medium confidence | |
| US 9,899,551 | Optoelectronic Device and Method of Producing the Same In force · High confidence | In force | High confidence | |
| US 10,825,941 | Optoelectronic Device and Method of Producing the Same In force · High confidence | In force | High confidence | |
| US 10,403,773 | Optoelectronic device and method of producing the same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,586,881 | Gap between semiconductors In force · From the USPTO record | In force | From the USPTO record | |
| US 10,797,184 | Aperture in a semiconductor In force · From the USPTO record | In force | From the USPTO record | |
| US 10,797,190 | Asymmetric groove In force · From the USPTO record | In force | From the USPTO record | |
| US 10,964,832 | Capacitors in grooves In force · From the USPTO record | In force | From the USPTO record | |
| US 10,978,603 | Energy storage In force · From the USPTO record | In force | From the USPTO record | |
| US 11,688,817 | Capacitors in Grooves In force · Medium confidence | In force | Medium confidence |
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
1 pending · 3 no status recorded