Kimpex Inc.

27 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

May 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 6, 2027
The maintenance fee for Support and attachment system for helmet goggles (US 10,368,605) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
2 fees due Jun 1 to 12, 2027 · next Jun 1
2 fees due Aug 13 to 27, 2027 · next Aug 13

Which patents, and when each one lapses · Pro

Recent changes

2 of the patents on this record were granted 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 8,419,041	Hitch In force Term ends May 18, 2031 · From the USPTO record	In force	Term ends May 18, 2031	From the USPTO record
US 8,967,337	Device for Preventing Overdrawing of Winch Hook In force Term ends Jul 25, 2032 · High confidence	In force	Term ends Jul 25, 2032	High confidence
US 9,199,694	Slide bar for a track system In force Term ends Oct 8, 2032 · From the USPTO record	In force	Term ends Oct 8, 2032	From the USPTO record
US D804,729	Helmet In force Term ends Dec 5, 2032 · From the USPTO record	In force	Term ends Dec 5, 2032	From the USPTO record
US 9,022,394	Snowmobile steering ski In force Term ends Mar 4, 2033 · From the USPTO record	In force	Term ends Mar 4, 2033	From the USPTO record
US 8,955,925	Traction Assembly for Vehicle In force Term ends Apr 16, 2033 · High confidence	In force	Term ends Apr 16, 2033	High confidence
US 9,668,532	Helmet chin curtain In force Term ends Feb 22, 2035 · From the USPTO record	In force	Term ends Feb 22, 2035	From the USPTO record
US 10,368,605	Support and attachment system for helmet goggles In force Term ends Jul 27, 2037 · From the USPTO record	In force	Term ends Jul 27, 2037	From the USPTO record
US 11,425,952	Helmet with cheek pads and method for the use thereof In force Term ends Oct 17, 2037 · From the USPTO record	In force	Term ends Oct 17, 2037	From the USPTO record
US 11,839,256	Ventilated Helmet Preventing Deposition of Fog on a Protective Eyewear, and a Method and Use of the Same In force Term ends Apr 18, 2038 · High confidence	In force	Term ends Apr 18, 2038	High confidence

10 of 27 patents shown.

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Pro members: see all 27 patents

Also on record, not counted in the 27: 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.

4 pending · 6 no status recorded

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