Aubert & Duval
2 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
9
Ending by 2030
Aug 2027
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 Dec 2, 2026The maintenance fee for Hardened martensitic steel having a low or zero content of cobalt, method for producing a component from this steel, and component obtained in this manner (US 9,045,806) comes due Dec 2, 2026. Unpaid by Jun 2, 2027, it lapses early.
- 1 fee due Apr 22, 2027The maintenance fee for Steel alloy and a component comprising such a steel alloy (US 10,450,644) comes due Apr 22, 2027. Unpaid by Oct 22, 2027, it lapses early.
- 2 fees due May 3 to 10, 2027 · next May 3
Recent changes
- 1 of the patents on this record was granted since Aug 16, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,101,004 | Process for manufacturing steel blanks In force · From the USPTO record | In force | From the USPTO record | |
| US 8,551,397 | Process for manufacturing steel blanks In force · From the USPTO record | In force | From the USPTO record | |
| US 8,097,098 | Martensitic stainless steel composition, method for making a mechanical part from said steel and resulting part In force · From the USPTO record | In force | From the USPTO record | |
| US 8,252,129 | Method for transforming steel blanks In force · From the USPTO record | In force | From the USPTO record | |
| US 9,181,824 | Method for producing an internal combustion engine valve and valve obtained in this manner In force · From the USPTO record | In force | From the USPTO record | |
| US 11,193,187 | Nickel-based superalloy and parts made from said superalloy In force · From the USPTO record | In force | From the USPTO record | |
| US 12,024,758 | Nickel-based superalloy and parts made from said superalloy In force · From the USPTO record | In force | From the USPTO record | |
| US 9,045,806 | Hardened martensitic steel having a low or zero content of cobalt, method for producing a component from this steel, and component obtained in this manner In force · From the USPTO record | In force | From the USPTO record | |
| US 9,429,183 | A Martensitic Steel with Mixed Hardening In force · High confidence | In force | High confidence | |
| US 9,175,370 | Hardened martensitic steel having a low cobalt content, process for manufacturing a part from steel, and part thus obtained In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 18: 2 patents in force now held by others · 4 lapsed for an unpaid fee · 7 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.
5 pending · 1 abandoned · 8 no status recorded