Patents by Inventor Toshimichi Ohta

Toshimichi Ohta 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).

  • Protective cover structure for a container
    Patent number: 4773557
    Abstract: A cover structure of a container is disclosed. The container consists of a cylindrical body and end plates of sheet metal. A retained cover disk with a ring like knob is formed in one of the end plates and can be removed from the end plate along a weakened cutting line provided in the end plate for defining the retained cover disk by pulling up the knob. An outer cover is made of a flexible material, provided with a short peripheral side wall and covers the retained cover disk. The surface of the outer cover is provided with an aperture to insert the knob. The outer cover is removed together with the retained cover without exposing a peripheral edge of the cover disk to be cut out from the peripheral wall of the end plate.
    Type: Grant
    Filed: February 4, 1988
    Date of Patent: September 27, 1988
    Inventor: Toshimichi Ohta