Chemeon Surface Technology, LLC

9 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Oct 2031

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 Mar 3, 2027
The maintenance fee for pH stable trivalent chromium coating solutions (US 10,400,338) comes due Mar 3, 2027. Unpaid by Sep 3, 2027, it lapses early.
1 fee due Jul 14, 2027
The maintenance fee for Dyed Trivalent Chromium Conversion Coatings and Methods of Using Same (US 10,533,254) comes due Jul 14, 2027. Unpaid by Jan 14, 2028, it lapses early.
1 fee due Aug 11, 2027
The maintenance fee for Electropolishing method and product (US 10,557,212) comes due Aug 11, 2027. Unpaid by Feb 11, 2028, 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 8,486,203	Conversion coating and anodizing sealer with no chromium In force Term ends Oct 18, 2031 · From the USPTO record	In force	Term ends Oct 18, 2031	From the USPTO record
US 10,557,212	Electropolishing method and product In force Term ends May 26, 2037 · From the USPTO record	In force	Term ends May 26, 2037	From the USPTO record
US 10,533,254	Dyed Trivalent Chromium Conversion Coatings and Methods of Using Same In force Term ends Jan 31, 2038 · High confidence	In force	Term ends Jan 31, 2038	High confidence
US 12,173,408	Dyed Trivalent Chromium Conversion Coatings and Methods of Using Same In force Term ends Jan 31, 2038 · High confidence	In force	Term ends Jan 31, 2038	High confidence
US 10,400,338	pH stable trivalent chromium coating solutions In force Term ends May 14, 2038 · From the USPTO record	In force	Term ends May 14, 2038	From the USPTO record
US 12,037,690	Conversion coating application system including hydrogels and methods of using same In force Term ends Jun 13, 2043 · From the USPTO record	In force	Term ends Jun 13, 2043	From the USPTO record
US 12,305,290	Conversion Coating Application System Including Hydrogels and Methods of Using Same In force Term ends Jun 13, 2043 · Medium confidence	In force	Term ends Jun 13, 2043	Medium confidence
US 12,378,674	Conversion Coating Application System Including Hydrogels and Methods of Using Same In force Term ends Jun 13, 2043 · Medium confidence	In force	Term ends Jun 13, 2043	Medium confidence
US 12,378,675	Conversion Coating Application System Including Hydrogels and Methods of Using Same In force Term ends Jun 13, 2043 · Medium confidence	In force	Term ends Jun 13, 2043	Medium confidence

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.

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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.

2 pending · 2 no status recorded

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