Patents by Inventor Susan L. Liu

Susan L. Liu 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: 4189054
    Abstract: A container for holding a food product has a pair of articuately connected casings. A lower casing has a generally flat bottom to support the container on a surface. Side walls extended upwardly from the bottom have tear lines that permit the bottom casing to be folded open to facilitate the eating of the food product. The side walls have recesses to facilitate eating of food product from the bottom casing. A top casing hinged to one side of the bottom casing has side walls that extend adjacent the side walls and over the recesses of the bottom casing when the casings are in a closed position. A locking tab cooperates with the top and bottom casings to hold the casings in the closed position.
    Type: Grant
    Filed: April 13, 1979
    Date of Patent: February 19, 1980
    Inventors: Jack F. Liu, Susan L. Liu