Tolsa, S.A.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Jul 2027
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 15, 2027.
Recent changes
- 1 term has ended since Aug 17, 2026
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 4 of 4
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,871,666 | Method of preparing an easily-dispersed rheology-grade product from a pseudolaminar silicate, product thus obtained and methods of using same In force · From the USPTO record | In force | From the USPTO record | |
| US 9,528,048 | Method for obtaining hierarchically ordered inorganic phosphate structures on phyllosilicates In force · From the USPTO record | In force | From the USPTO record | |
| US 9,447,283 | Method for producing a compound based on pseudolaminar silicates and the use thereof as a filler for polymeric materials In force · From the USPTO record | In force | From the USPTO record | |
| US 7,829,493 | Method of preparing metallic nanoparticles and materials thus obtained In force Term ended Nov 1, 2026 · From the USPTO record | In force | Term ended Nov 1, 2026 | From the USPTO record |
Also on record, not counted in the 4: 3 lapsed for an unpaid fee · 3 ended at full term. 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.
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 no status recorded