Core with Cushion Strip

Sonoco Development, Inc.

A patent family: one line of work, grouped by real continuity rather than by a technology label inferred from titles. 3 of these applications claim priority to application 15/273,885, filed Oct 12, 2016. A shared origin can cover several different claimed inventions, which is why members here may not share a title. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

Patent	Title	Holder	Status	Expires	Time remaining	Confidence
US 10,906,769	Core with Cushion Strip Sonoco Development, Inc. In force Term ends Oct 12, 2036 · High confidence	Sonoco Development, Inc.	In force	Term ends Oct 12, 2036	Term ends Oct 12, 2036	High confidence
US 11,970,361	Core with Cushion Strip and Varying Slot Depth Sonoco Development, Inc. In force Term ends Oct 12, 2036 · High confidence	Sonoco Development, Inc.	In force	Term ends Oct 12, 2036	Term ends Oct 12, 2036	High confidence
US 11,661,305	Core with Strip or Strips of Varying Density Sonoco Development, Inc. In force Term ends Feb 24, 2037 · High confidence	Sonoco Development, Inc.	In force	Term ends Feb 24, 2037	Term ends Feb 24, 2037	High confidence
US 10,472,201	Core with Cushion Strip Sonoco Development, Inc. In force Term ends Aug 5, 2037 · High confidence	Sonoco Development, Inc.	In force	Term ends Aug 5, 2037	Term ends Aug 5, 2037	High confidence

4 of 4 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 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.