Xtralit, Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Feb 2038
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 Apr 8, 2027The maintenance fee for Method of producing inorganic sorbents for extracting lithium from lithium-containing natural and technological brines (US 10,434,497) comes due Apr 8, 2027. Unpaid by Oct 8, 2027, 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.
Showing 1 to 6 of 6
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,434,497 | Method of producing inorganic sorbents for extracting lithium from lithium-containing natural and technological brines In force · From the USPTO record | In force | From the USPTO record | |
| US 11,260,366 | Method of obtaining inorganic sorbents for extraction of lithium from lithium-containing natural and technological brines In force · From the USPTO record | In force | From the USPTO record | |
| US 12,337,309 | Method of manufacturing inorganic ion exchanger for the selective extraction of lithium from lithium-containing natural and technological brines In force · From the USPTO record | In force | From the USPTO record | |
| US 12,350,658 | Inorganic ion-exchanger for selective extraction of lithium from lithium-containing natural and industrial brines In force · From the USPTO record | In force | From the USPTO record | |
| US 12,377,411 | Method for obtaining inorganic sorbent for extraction of lithium from lithium-containing brines In force · From the USPTO record | In force | From the USPTO record | |
| US 12,486,556 | Method for Versatile Ion-Exchange Extraction of Lithium from Natural or Technological Lithium-Containing Brine by Using a Lithium-Selective Inorganic Sorbent In force · High confidence | In force | High confidence |
Also on record, not counted in the 6: 1 lapsed for an unpaid fee. List them
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.