Patents by Inventor Imao Kaibara

Imao Kaibara 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: 4007500
    Abstract: A bathtub stopper for closing the drain passage of a strainer cup of a bathtub according to the present invention consists of a main body portion which has first and second components adapted to telescope longitudinally with respect to one another between an extended position and a shortened position. The components are also rotatable with respect to one another about the longitudinal axis of the main body. The first component is manually engageable to be rotatably driven about the longitudinal axis and the second component is adapted to be secured to a strainer to locate the main body in an operative position with respect to the strainer. A closure means is carried by the first component for closing the drain passage when the main body is in the shortened position, the closure means being spaced from the strainer to open the drain passage when in the extended position.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: February 15, 1977
    Assignee: Emco Ltd.
    Inventors: Arthur D. Thompson, Imao Kaibara