Patents by Inventor Charles W. Kurth

Charles W. Kurth 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: 4899927
    Abstract: A container having a body formed from a plurality of side panels foldably joined to each other to form a tubular structure with bottom closure flaps foldably joined to the lower edges of certain of the side panels and arranged in overlapping interlocked relation, and wherein certain of the bottom closure, flaps have slots therein for receiving lower portions of certain of the side panels to help the container maintain its original shape.
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: February 13, 1990
    Assignee: Container Corporation of America
    Inventors: Gustave O. Straub, Charles W. Kurth
  • Patent number: 4504497
    Abstract: A carton for packaging a bulk semi-solid material, such as a block of unhardened cheese, or the like, is disclosed. The carton comprises a one-piece wrapper of multi-layered corrugated box board material with the wrapper having slit-score lines formed therein permitting the wrapper to be folded on itself so as to form flutes or corners having a relatively sharp radius of curvature with these corners being in register with the side corners of the block and with the faces of the wrapper being in firm face-to-face abutting engagement with the side faces of the block. The carton further includes an open-ended sleeve or tube having generally the same cross sectional shape as the block with the wrapper wrapped therearound, this sleeve being telescopically received by the wrapper on the polyhedron with the sleeve securely holding the wrapper in place on the block of the semi-solid material.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: March 12, 1985
    Assignee: Alton Packaging Corporation
    Inventors: Charles W. Kurth, John M. Moerchen