C-Tec Constellium Technology Center

9 patents currently held · Updated Nov 15, 2026

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.

Ending by 2030

Apr 2038

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 4, 2027
The maintenance fee for Process for manufacturing an aluminum alloy part (US 11,692,240) comes due Jan 4, 2027. Unpaid by Jul 6, 2027, it lapses early.

Which patents, and when each one lapses · Pro

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 9 of 9

Patent	Title	Status	Expires	Confidence
US 12,037,661	Process for manufacturing an aluminum alloy part In force Term ends Apr 26, 2038 · From the USPTO record	In force	Term ends Apr 26, 2038	From the USPTO record
US 11,692,240	Process for manufacturing an aluminum alloy part In force Ends no later than Oct 3, 2039 · From the USPTO record	In force	Ends no later than Oct 3, 2039	From the USPTO record
US 12,378,641	Process for manufacturing an aluminium alloy part In force Term ends Oct 14, 2040 · From the USPTO record	In force	Term ends Oct 14, 2040	From the USPTO record
US 12,428,706	Process for Manufacturing an Aluminum Alloy Part In force Term ends Jul 5, 2041 · High confidence	In force	Term ends Jul 5, 2041	High confidence
US 12,152,291	Process for manufacturing an aluminum-chromium alloy part with superimposed successive solid metals layer In force Term ends Nov 8, 2041 · From the USPTO record	In force	Term ends Nov 8, 2041	From the USPTO record
US 12,528,125	Method for Manufacturing an Aluminum Alloy Part In force Ends no later than Apr 4, 2042 · Medium confidence	In force	Ends no later than Apr 4, 2042	Medium confidence
US 12,534,782	Process for Manufacturing an Aluminum Alloy Part In force Term ends Jul 18, 2042 · High confidence	In force	Term ends Jul 18, 2042	High confidence
US 12,377,463	Method for manufacturing an aluminum alloy part In force Term ends Nov 12, 2042 · From the USPTO record	In force	Term ends Nov 12, 2042	From the USPTO record
US 12,421,587	Wrought products made of 2XXX alloy having an optimized corrosion resistance, and method for obtaining same In force Term ends Nov 19, 2042 · From the USPTO record	In force	Term ends Nov 19, 2042	From the USPTO record

Also on record, not counted in the 9: 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.

Export every term end as CSV · Pro

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 · 6 no status recorded

List them