ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,022, issued on May 13, was assigned to Altria Client Services LLC (Richmond, Va.).
"Insert with undercuts" was invented by Todd M. McCandless (Richmond, Va.), Brian M. Casey (Richmond, Va.) and Christopher L. Simpson (Richmond, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The insert includes a base, the base including at least one depression that defines a cavity, the at least one depression including a floor with walls, the walls including a first pair of opposing walls and a second pair of opposing walls, the first pair of opposing walls each defining an undercut, the undercut including a lower inclined segment and an upper inclined segment ...