American Ceramic Technology

15 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 2027

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 18, 2027
The maintenance fee for High Z Permanent Magnets for Radiation Shielding (US 11,705,250) comes due Jan 18, 2027. Unpaid by Jul 19, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 16, 2026
1 term has ended 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 D692,618	Protective vest In force Term ends Oct 29, 2027 · From the USPTO record	In force	Term ends Oct 29, 2027	From the USPTO record
US D693,478	Radiation shielding rack In force Term ends Nov 12, 2027 · From the USPTO record	In force	Term ends Nov 12, 2027	From the USPTO record
US D693,479	Radiation shielding rack In force Term ends Nov 12, 2027 · From the USPTO record	In force	Term ends Nov 12, 2027	From the USPTO record
US D699,015	Nuclear power plant utility cart In force Term ends Feb 4, 2028 · From the USPTO record	In force	Term ends Feb 4, 2028	From the USPTO record
US D703,870	Protective vest In force Term ends Apr 29, 2028 · From the USPTO record	In force	Term ends Apr 29, 2028	From the USPTO record
US D710,302	Reactor vessel radiation shielding In force Term ends Aug 5, 2028 · From the USPTO record	In force	Term ends Aug 5, 2028	From the USPTO record
US D718,238	Reactor vessel radiation shielding In force Term ends Nov 25, 2028 · From the USPTO record	In force	Term ends Nov 25, 2028	From the USPTO record
US D732,589	Nuclear reactor boiler divider plate shield In force Term ends Jun 23, 2029 · From the USPTO record	In force	Term ends Jun 23, 2029	From the USPTO record
US D733,189	Sump drum with carriage In force Term ends Jun 30, 2029 · From the USPTO record	In force	Term ends Jun 30, 2029	From the USPTO record
US D733,202	Nuclear reactor tube shield In force Term ends Jun 30, 2029 · From the USPTO record	In force	Term ends Jun 30, 2029	From the USPTO record

10 of 15 patents shown.

Pro members see all 15.

Pro members: see all 15 patents

Also on record, not counted in the 15: 1 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.

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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.

1 no status recorded

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