Celerint, LLC

14 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

Nov 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 Feb 20, 2027
The maintenance fee for Method for continuous tester operation during multiple stage temperature testing (US 10,386,405) comes due Feb 20, 2027. Unpaid by Aug 20, 2027, it lapses early.
1 fee due Mar 24, 2027
The maintenance fee for Method and system for utilizing stand-alone controller in multiplexed handler test cell for indexless tandem semiconductor test (US 10,422,828) comes due Mar 24, 2027. Unpaid by Sep 24, 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.

Patent	Title	Status	Expires	Confidence
US 9,753,081	Muxing interface platform for multiplexed handlers to reduce index time system and method In force Term ends Nov 15, 2031 · From the USPTO record	In force	Term ends Nov 15, 2031	From the USPTO record
US 9,733,301	Universal multiplexing interface system and method In force Term ends Mar 12, 2032 · From the USPTO record	In force	Term ends Mar 12, 2032	From the USPTO record
US 9,817,062	Parallel concurrent test system and method In force Ends no later than May 18, 2032 · From the USPTO record	In force	Ends no later than May 18, 2032	From the USPTO record
US 9,551,740	Parallel concurrent test system and method In force Term ends Apr 29, 2033 · From the USPTO record	In force	Term ends Apr 29, 2033	From the USPTO record
US 9,818,631	Semiconductor device handler throughput optimization In force Term ends Nov 25, 2034 · From the USPTO record	In force	Term ends Nov 25, 2034	From the USPTO record
US 10,043,722	Method for testing semiconductor wafers using temporary sacrificial bond pads In force Term ends Dec 24, 2034 · From the USPTO record	In force	Term ends Dec 24, 2034	From the USPTO record
US 10,197,622	Modular multiplexing interface assembly for reducing semiconductor testing index time In force Term ends Apr 19, 2035 · From the USPTO record	In force	Term ends Apr 19, 2035	From the USPTO record
US 10,422,828	Method and system for utilizing stand-alone controller in multiplexed handler test cell for indexless tandem semiconductor test In force Term ends Jul 28, 2036 · From the USPTO record	In force	Term ends Jul 28, 2036	From the USPTO record
US 10,386,405	Method for continuous tester operation during multiple stage temperature testing In force Term ends Nov 11, 2037 · From the USPTO record	In force	Term ends Nov 11, 2037	From the USPTO record
US 11,448,688	Method for continuous tester operation during long soak time testing In force Term ends Jul 9, 2039 · From the USPTO record	In force	Term ends Jul 9, 2039	From the USPTO record

10 of 14 patents shown.

Pro members see all 14.

Pro members: see all 14 patents

Also on record, not counted in the 14: 4 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

Every application published under this name has become a patent.