Vantac Technologies LLC

9 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

Sep 2037

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 28, 2027
The maintenance fee for Buffer tubes (US 11,740,041) comes due Feb 28, 2027. Unpaid by Aug 30, 2027, it lapses early.
1 fee due Apr 22, 2027
The maintenance fee for Adjustable Stock Systems for Firearms (US 10,451,380) comes due Apr 22, 2027. Unpaid by Oct 22, 2027, it lapses early.
1 fee due Oct 23, 2027
The maintenance fee for Structures for Firearms (US 11,965,709) comes due Oct 23, 2027. Unpaid by Apr 24, 2028, it lapses early.

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.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 10,451,380	Adjustable Stock Systems for Firearms In force Term ends Sep 5, 2037 · High confidence	In force	Term ends Sep 5, 2037	High confidence
US 10,928,159	Adjustable Stock Systems for Firearms In force Term ends Jan 2, 2039 · High confidence	In force	Term ends Jan 2, 2039	High confidence
US 11,499,794	Adjustable Stock Systems for Firearms In force Term ends Jan 2, 2039 · High confidence	In force	Term ends Jan 2, 2039	High confidence
US 11,965,709	Structures for Firearms In force Ends no later than Jun 18, 2040 · Low confidence	In force	Ends no later than Jun 18, 2040	Low confidence
US 12,607,431	Structures for Firearms In force Term ends Jul 8, 2040 · Medium confidence	In force	Term ends Jul 8, 2040	Medium confidence
US 11,592,263	Buffer Tubes In force Term ends Aug 15, 2040 · High confidence	In force	Term ends Aug 15, 2040	High confidence
US 11,740,041	Buffer tubes In force Term ends Jun 13, 2042 · From the USPTO record	In force	Term ends Jun 13, 2042	From the USPTO record
US 12,723,836	Adjustable Stock Systems for Weapons In force Term ends Sep 26, 2044 · High confidence	In force	Term ends Sep 26, 2044	High confidence
US 12,768,614	Adjustable Stock Systems for Weapons Including Firearms In force Term ends Jan 1, 2045 · High confidence	In force	Term ends Jan 1, 2045	High confidence

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.