X-Bow Launch Systems Inc.

10 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 2041

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 Mar 26, 2027
The maintenance fee for Belt Examination System and Computer-Readable Non-Transitory Recording Medium Having Stored Belt Examination Program (US 11,768,159) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
1 fee due Jun 26, 2027
The maintenance fee for Modulating Internal Ballistics in a 3D-PRINTED Rocket Motor and an Additive Manufacturing Process (US 11,852,101) comes due Jun 26, 2027. Unpaid by Dec 27, 2027, it lapses early.
1 fee due Aug 27, 2027
The maintenance fee for Additively Manufactured Rocket Fuel Grains and Competitive Simulation of the Same (US 11,913,410) comes due Aug 27, 2027. Unpaid by Feb 28, 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.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 12,104,558	Additively Manufactured Rocket Fuel Grains and Competitive Simulation of the Same In force Term ends May 20, 2041 · Medium confidence	In force	Term ends May 20, 2041	Medium confidence
US 12,116,957	3D-PRINTED Rocket Fuel Grains, Rocket Engines and an Additive Manufacturing Process In force Term ends May 20, 2041 · High confidence	In force	Term ends May 20, 2041	High confidence
US 12,253,051	Modulating Internal Ballistics in a 3D-PRINTED Rocket Motor and an Additive Manufacturing Process In force Term ends May 20, 2041 · High confidence	In force	Term ends May 20, 2041	High confidence
US 12,398,685	Continuous Modification in a 3D-PRINTED Rocket Engine and an Additive Manufacturing Process In force Term ends May 20, 2041 · High confidence	In force	Term ends May 20, 2041	High confidence
US 11,852,101	Modulating Internal Ballistics in a 3D-PRINTED Rocket Motor and an Additive Manufacturing Process In force Term ends Sep 30, 2041 · High confidence	In force	Term ends Sep 30, 2041	High confidence
US 12,420,339	Methods for Rocket Fuel Grain Coating and Unitary Manufacture In force Term ends Oct 28, 2041 · High confidence	In force	Term ends Oct 28, 2041	High confidence
US 11,768,159	Belt Examination System and Computer-Readable Non-Transitory Recording Medium Having Stored Belt Examination Program In force Term ends Apr 22, 2042 · High confidence	In force	Term ends Apr 22, 2042	High confidence
US 11,913,410	Additively Manufactured Rocket Fuel Grains and Competitive Simulation of the Same In force Term ends Jun 28, 2042 · High confidence	In force	Term ends Jun 28, 2042	High confidence
US 12,442,349	Rocket Motors and Methods of Manufacturing Rocket Motors In force Term ends May 23, 2044 · High confidence	In force	Term ends May 23, 2044	High confidence
US 12,698,749	Modular Rocket Motors and Methods of Making Modular Rocket Motors In force Term ends May 23, 2044 · High confidence	In force	Term ends May 23, 2044	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.