Fourth Power, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Previously recorded as Thermal Battery Corp. (to 2024)
0
Ending by 2030
Jan 2044
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
No maintenance fee falls due on this company's record before Nov 14, 2027.
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.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 12,276,282 | Circulation Pump Made from Brittle Material In force · High confidence | In force | High confidence | |
| US 12,467,565 | Brittle Material Joints with Dynamic Sealing In force · High confidence | In force | High confidence | |
| US 12,601,406 | Brittle Material Valves In force · High confidence | In force | High confidence | |
| US 12,671,358 | Thermophotovoltaic Receivers Comprising Extruded Cores and Integrated Submount Assemblies Supporting Thermophotovoltaic Cells In force · High confidence | In force | High confidence | |
| US 12,686,645 | Graphite-Based Infrastructures for Handling Molten Metals and Methods of Forming Thereof In force · High confidence | In force | High 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.
2 pending