Associated Spring US, LLC

10 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 May 12, 2027
The maintenance fee for Induction Heating of Spring (US 10,472,695) comes due May 12, 2027. Unpaid by Nov 12, 2027, it lapses early.
1 fee due Jun 17, 2027
The maintenance fee for High Fatigue Arcuate Spring (US 10,508,700) comes due Jun 17, 2027. Unpaid by Dec 17, 2027, it lapses early.
1 fee due Jul 26, 2027
The maintenance fee for Flexible Connection Rod (US 9,243,710) comes due Jul 26, 2027. Unpaid by Jan 26, 2028, it lapses early.
1 fee due Sep 3, 2027
The maintenance fee for Modular Non-Linear Spring System (US 10,579,089) comes due Sep 3, 2027. Unpaid by Mar 3, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

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.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 8,434,340	Method for Forming a Stamped Metal Part In force Term ends Nov 10, 2031 · High confidence	In force	Term ends Nov 10, 2031	High confidence
US 10,472,695	Induction Heating of Spring In force Term ends Jun 28, 2032 · High confidence	In force	Term ends Jun 28, 2032	High confidence
US 8,912,472	Induction Heating of Springs In force Term ends May 22, 2033 · High confidence	In force	Term ends May 22, 2033	High confidence
US 10,508,700	High Fatigue Arcuate Spring In force Term ends Jul 5, 2033 · High confidence	In force	Term ends Jul 5, 2033	High confidence
US 9,243,710	Flexible Connection Rod In force Term ends Sep 30, 2033 · High confidence	In force	Term ends Sep 30, 2033	High confidence
US 10,288,180	Multiple Parts Reed Valve and Method of Manufacturing In force Term ends Aug 27, 2034 · Medium confidence	In force	Term ends Aug 27, 2034	Medium confidence
US D860,111	Spring Cap In force Term ends Sep 17, 2034 · High confidence	In force	Term ends Sep 17, 2034	High confidence
US 10,274,114	Torque Retention Arrangement In force Term ends Feb 4, 2035 · Medium confidence	In force	Term ends Feb 4, 2035	Medium confidence
US 9,920,848	Multiple Parts Reed Valve and Method of Manufacturing In force Term ends Dec 25, 2035 · High confidence	In force	Term ends Dec 25, 2035	High confidence
US 10,579,089	Modular Non-Linear Spring System In force Term ends Dec 9, 2037 · High confidence	In force	Term ends Dec 9, 2037	High confidence

Also on record, not counted in the 10: 1 lapsed for an unpaid fee · 5 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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