Tok, Inc.

12 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

Mar 2030

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 14, 2027.

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.

Patent	Title	Status	Expires	Confidence
US 8,188,375	Multilayer Circuit Board and Method for Manufacturing the Same In force Term ends Mar 7, 2030 · High confidence	In force	Term ends Mar 7, 2030	High confidence
US D852,249	Reduction gear In force Term ends Jun 25, 2034 · From the USPTO record	In force	Term ends Jun 25, 2034	From the USPTO record
US D906,798	Shaft attaching and detaching device In force Term ends Jan 5, 2036 · From the USPTO record	In force	Term ends Jan 5, 2036	From the USPTO record
US D932,870	Rotary damper for hinges In force Term ends Oct 12, 2036 · From the USPTO record	In force	Term ends Oct 12, 2036	From the USPTO record
US 11,993,983	Restriction mechanism for suspended sliding door device In force Term ends Sep 6, 2037 · From the USPTO record	In force	Term ends Sep 6, 2037	From the USPTO record
US 11,118,638	Reverse input lock clutch In force Term ends Oct 7, 2037 · From the USPTO record	In force	Term ends Oct 7, 2037	From the USPTO record
US 11,512,531	Restriction mechanism for manual shutter device In force Term ends Jan 15, 2038 · From the USPTO record	In force	Term ends Jan 15, 2038	From the USPTO record
US 11,441,632	Rotary Damper Having Simple Self-Standing Mechanism In force Term ends Apr 5, 2038 · High confidence	In force	Term ends Apr 5, 2038	High confidence
US 11,131,359	Torque adjustment function-provided rotary damper In force Term ends Aug 24, 2038 · From the USPTO record	In force	Term ends Aug 24, 2038	From the USPTO record
US 11,131,134	Hinge arm damper mechanism In force Term ends Nov 8, 2038 · From the USPTO record	In force	Term ends Nov 8, 2038	From the USPTO record

10 of 12 patents shown.

Pro members see all 12.

Pro members: see all 12 patents

Also on record, not counted in the 12: 2 lapsed for an unpaid fee · 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

Every application published under this name has become a patent.