Patents by Inventor Leon George Litchfield

Leon George Litchfield 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: 4108520
    Abstract: A component for use in interconnecting the front and side walls of a drawer in which the walls are formed from hollow extruded plastic panels, the component comprising a corner post having locating members projecting in two directions at right angles to one another, and detents on the locating members for engagement in apertures in the wall panels, the detents on the locating members which engage the front wall panel being formed on the inner faces of the members.
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: August 22, 1978
    Assignee: L. B. (Plastics) Limited
    Inventor: Leon George Litchfield
  • Patent number: 4002261
    Abstract: A panel constituted by at least two panel members disposed edge to edge and each having cavities in the ends thereof, the panel members being interconnected at at least one end by a connecting member having spigot formations engaged in the cavities such that the connecting member bridges the panel members and retains them in abutment with one another. A plurality of such panels may be used to form the sides and ends of an enclosure or container such as a drawer in which case connecting members in the form of corner pieces may be used having two pairs of spigot formations projecting at right angles so as to connect adjacent sides together in addition to bridging the panel members forming each side.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: January 11, 1977
    Assignee: L.B. (Plastics) Limited
    Inventor: Leon George Litchfield