Aperam
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Dec 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 Jan 18, 2027The maintenance fee for Martensitic stainless steel and method for producing the same (US 11,702,717) comes due Jan 18, 2027. Unpaid by Jul 19, 2027, it lapses early.
- 1 fee due Mar 26, 2027The maintenance fee for FeCo alloy, FeSi alloy or Fe sheet or strip and production method thereof, magnetic transformer core produced from said sheet or strip, and transformer comprising same (US 11,767,583) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
- 2 fees due Jun 5 to 24, 2027 · next Jun 5
- 1 fee due Jul 7, 2027The maintenance fee for Method for manufacturing a strip having a variable thickness and associated strip (US 10,526,680) comes due Jul 7, 2027. Unpaid by Jan 7, 2028, it lapses early.
- 1 fee due Oct 28, 2027The maintenance fee for Iron-nickel alloy having improved weldability (US 10,633,728) comes due Oct 28, 2027. Unpaid by Apr 28, 2028, it lapses early.
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 11,600,439 | Process for Manufacturing a Thin Strip Made of Soft Magnetic Alloy and Strip Obtained In force · Medium confidence | In force | Medium confidence | |
| US 10,957,481 | Process for manufacturing a thin strip made of soft magnetic alloy and strip obtained In force · From the USPTO record | In force | From the USPTO record | |
| US 9,566,721 | Mold, method for manufacturing a mold and method for manufacturing a plastic or composite material product by means of said mold In force · From the USPTO record | In force | From the USPTO record | |
| US 10,189,120 | Welding wire for Fe—36Ni alloy In force · From the USPTO record | In force | From the USPTO record | |
| US 10,633,728 | Iron-nickel alloy having improved weldability In force · From the USPTO record | In force | From the USPTO record | |
| US 10,515,756 | Basic module for magnetic core of an electrical transformer, magnetic core comprising said basic module, method for manufacturing said magnetic core, and transformer comprising said magnetic core In force · From the USPTO record | In force | From the USPTO record | |
| US 10,526,680 | Method for manufacturing a strip having a variable thickness and associated strip In force · From the USPTO record | In force | From the USPTO record | |
| US 10,744,553 | Rolled stainless steel object and manufacturing method therefor In force · From the USPTO record | In force | From the USPTO record | |
| US 11,186,886 | Steel, product made of said steel, and manufacturing method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 11,767,583 | FeCo alloy, FeSi alloy or Fe sheet or strip and production method thereof, magnetic transformer core produced from said sheet or strip, and transformer comprising same In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 22: 1 patent in force now held by others. 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.
6 pending · 8 no status recorded