ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,049, issued on Aug. 5, was assigned to PACTIV LLC (Lake Forest, Ill.).
"Tamper-evident plastic container" was invented by Brian M. Murphy (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "Tamper-evident plastic container comprises a base portion having a sidewall and a base flange extending outwardly from at least a portion of the sidewall, and a lid portion having a lid tab joined to the base flange by a hinge, wherein the lid portion has an open position and a closed position. The lid portion is configured to lockingly engage the base portion in the closed position. One of the base flange or the lid tab has a non-linear path of weakness forme...