Shadow Systems LLC

18 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

Oct 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 Apr 24, 2027
The maintenance fee for Slide Assembly for a Firearm (US 11,796,264) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, it lapses early.
1 fee due Jul 16, 2027
The maintenance fee for Firearm Muzzle Accessory (US 11,874,078) comes due Jul 16, 2027. Unpaid by Jan 18, 2028, 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 D965,724	Trigger Guard for a Firearm In force Term ends Oct 4, 2037 · High confidence	In force	Term ends Oct 4, 2037	High confidence
US D965,725	Slide Release Curtain for a Firearm In force Term ends Oct 4, 2037 · High confidence	In force	Term ends Oct 4, 2037	High confidence
US D965,726	Slide for a Firearm In force Term ends Oct 4, 2037 · High confidence	In force	Term ends Oct 4, 2037	High confidence
US D965,727	Slide for a Firearm In force Term ends Oct 4, 2037 · High confidence	In force	Term ends Oct 4, 2037	High confidence
US D965,728	Ledge Cut for a Handgun In force Term ends Oct 4, 2037 · High confidence	In force	Term ends Oct 4, 2037	High confidence
US 11,067,348	Slide Assembly for a Firearm In force Term ends Jan 17, 2040 · High confidence	In force	Term ends Jan 17, 2040	High confidence
US 11,796,264	Slide Assembly for a Firearm In force Term ends Jan 17, 2040 · High confidence	In force	Term ends Jan 17, 2040	High confidence
US 12,181,240	Slide Assembly for a Firearm In force Term ends Jan 17, 2040 · High confidence	In force	Term ends Jan 17, 2040	High confidence
US 12,680,770	Slide Assembly for a Firearm In force Term ends Jan 17, 2040 · Medium confidence	In force	Term ends Jan 17, 2040	Medium confidence
US 12,379,179	Firearm Muzzle Accessory In force Term ends Feb 24, 2042 · High confidence	In force	Term ends Feb 24, 2042	High confidence

10 of 18 patents shown.

Pro members see all 18.

Pro members: see all 18 patents

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.

2 pending

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