Terms ending in 2039

Grace Engineering Corp.

Every in-force patent on Grace Engineering Corp.'s record whose computed term ends in 2039, whoever holds it now. Soonest term end first, then patent number.

Patent	Title	Holder	Status	Expires	Confidence
US 10,731,947	Open Frame Sight System Grace Engineering Corp. In force Term ends Apr 16, 2039 · High confidence	Grace Engineering Corp.	In force	Term ends Apr 16, 2039	High confidence
US 11,480,407	Archery Training Grip and Related Method Grace Engineering Corp. In force Term ends Sep 27, 2039 · High confidence	Grace Engineering Corp.	In force	Term ends Sep 27, 2039	High confidence
US 11,015,897	Archery Training Grip and Related Method Grace Engineering Corp. In force Term ends Oct 14, 2039 · High confidence	Grace Engineering Corp.	In force	Term ends Oct 14, 2039	High confidence

3 of 3 patents shown. Soonest term end first, then patent number.

Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.