Devhold Inc.

19 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

Apr 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 Nov 28, 2026
The maintenance fee for Firearm barrel fitment sleeve and method of use (US 10,302,384) comes due Nov 28, 2026. Unpaid by May 28, 2027, it lapses early.
1 fee due Jan 16, 2027
The maintenance fee for Firearm suppressor adapter for barrels having obstructions (US 10,352,642) comes due Jan 16, 2027. Unpaid by Jul 16, 2027, it lapses early.
1 fee due Jun 17, 2027
The maintenance fee for Device for dampening residual effects from a firearm suppressor (US 10,508,879) comes due Jun 17, 2027. Unpaid by Dec 17, 2027, it lapses early.
1 fee due Jul 7, 2027
The maintenance fee for Firearm adapter (US 10,527,379) comes due Jul 7, 2027. Unpaid by Jan 7, 2028, it lapses early.
1 fee due Sep 5, 2027
The maintenance fee for Heat shield for firearm suppressor (US 11,920,884) comes due Sep 5, 2027. Unpaid by Mar 6, 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 10,066,890	Firearm suppressor adapter In force Term ends Apr 27, 2037 · From the USPTO record	In force	Term ends Apr 27, 2037	From the USPTO record
US 10,274,279	Firearm Suppressor Adapter for Firearm Rails In force Term ends Apr 27, 2037 · Medium confidence	In force	Term ends Apr 27, 2037	Medium confidence
US 10,302,384	Firearm barrel fitment sleeve and method of use In force Term ends Apr 27, 2037 · From the USPTO record	In force	Term ends Apr 27, 2037	From the USPTO record
US 10,527,379	Firearm adapter In force Ends no later than Apr 27, 2037 · From the USPTO record	In force	Ends no later than Apr 27, 2037	From the USPTO record
US 11,022,395	Firearm adapter In force Term ends Apr 27, 2037 · From the USPTO record	In force	Term ends Apr 27, 2037	From the USPTO record
US 10,190,839	Firearm barrel alignment guide In force Term ends May 3, 2037 · From the USPTO record	In force	Term ends May 3, 2037	From the USPTO record
US 10,739,098	Firearm adapter In force Term ends May 15, 2037 · From the USPTO record	In force	Term ends May 15, 2037	From the USPTO record
US 9,891,017	Firearm suppressor adapter In force Term ends May 22, 2037 · From the USPTO record	In force	Term ends May 22, 2037	From the USPTO record
US 11,268,779	Firearm suppressor adapter In force Term ends May 22, 2037 · From the USPTO record	In force	Term ends May 22, 2037	From the USPTO record
US 10,996,015	Firearm adapter In force Term ends Jun 9, 2037 · From the USPTO record	In force	Term ends Jun 9, 2037	From the USPTO record

10 of 19 patents shown.

Pro members see all 19.

Pro members: see all 19 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.

Export every term end as CSV · Pro