Patents by Inventor Charles R. Malsbury

Charles R. Malsbury has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4721210
    Abstract: A lid and cup assembly for storing and dispensing comestibles is disclosed which provides a tamper-evident package to indicate unauthorized tampering. The tamper-evident package for storing and dispensing comestibles and the like, includes a cup formed of a sidewall member having at its open end a rim with an unrolled peripheral edge. The package also includes a lid configured and dimensioned for engagement with the cup at its open end. The lid includes a panel member having along its periphery an annular rib configured and dimensioned so as to snap-fittingly and sealingly engage the cup. The annular rib is formed of an inner wall an outer wall and a transverse top wall. The outer wall has three spaced apart detent ribs of predetermined length for securing engagement with the cup peripheral edge at least when the lid is pried off. The outer wall also has adjacent at least one of the detent ribs a pair of tear lines on each side of the respective detent rib.
    Type: Grant
    Filed: November 18, 1986
    Date of Patent: January 26, 1988
    Inventors: Richard R. Lawrence, Charles R. Malsbury, Glenn Moreau
  • Patent number: 4679699
    Abstract: A sealing lid and cup container assembly for storing and dispensing comestibles is disclosed wherein the seal is maintained during pressure and vacuum forces. The container includes a cup formed of a frusto-conical sidewall and a bottom wall secured to the sidewall at one end thereof. The sidewall has an outwardly extending and rolled rim at the periphery of its other end defining a circular opening, and a first continuous sealing ridge extending inwardly of the rim. The container also includes a circular lid which is configured and dimensioned for snap-fitting sealing engagement with the cup at its first end such that, when the lid is snapped onto the cup over the opening, the lid includes a flat circular panel having along its periphery an outer wall member which has a second continuous sealing ridge positioned for cooperative sealing engagement with the first continuous sealing ridge of the cup at at least two points of cross-sectional contact so as to provide a first internal sealing of the cup.
    Type: Grant
    Filed: May 22, 1986
    Date of Patent: July 14, 1987
    Assignee: Rexcel, Inc.
    Inventors: Charles R. Malsbury, Richard R. Lawrence