US Patent Issued to Sonoco Development on March 18 for "Venting system for ovenable containers" (South Carolina Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,324, issued on March 18, was assigned to Sonoco Development Inc. (Hartsville, S.C.).

"Venting system for ovenable containers" was invented by Scott William Huffer (Hartsville, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention comprises an ovenable packaging structure having an integral one-way valve. The laminate structure comprises an outer layer having a cut line which defines a flap that is separable from the outer layer, wherein the outer layer is adhered to an inner layer having a cut line which is offset from the outer cut line and defines a portion that is separable from the inner layer along the inner cut line and defines an...