Patents by Inventor Michael J. Shrontz

Michael J. Shrontz 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).

  • Multicell corrugated bulk container
    Patent number: 4174803
    Abstract: A bulk container for shipping granular products or the like. A pair of rectangular tubular cells having interior manufacturer's joints are surrounded by an outer rectangular sleeve glued in continuous surface-to-surface contact therewith. The sleeve panels carry depending flaps that form a tubular, bellows, bottom closure, and the sleeve contains an exterior manufacturer's joint that extends downward into the closure. One pair of closure flaps each include converging 45.degree. score lines which meet short of its free edge, and a slot extends inward past the point of meeting.
    Type: Grant
    Filed: July 12, 1977
    Date of Patent: November 20, 1979
    Assignee: Inland Container Corporation
    Inventors: Michael J. Shrontz, Robert M. Harvey