Patents by Inventor Frederick W. Knapp

Frederick W. Knapp 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).

  • Collapsible octahedral container
    Patent number: 5597112
    Abstract: The present invention relates to an octahedral container made from a thin flexible sheet which has six substantially triangular shaped side panels fastened together with an affixation tab, and three substantially triangular top and bottom panels which are provided with top tabs that slip into corresponding slots positioned along a top fold line located between the top and side panels and bottom tabs that slip into corresponding slots positioned along a bottom fold line located between the bottom and side panels. The container is further provided with two fold lines which each traverse a top, bottom and side panel so that the container can be shipped flat and then readily popped open and assembled at the point of usage.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: January 28, 1997
    Inventor: Frederick W. Knapp