Patents by Inventor Donald W. Corey

Donald W. Corey 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).

  • Expandable carrying case
    Patent number: 4312431
    Abstract: A carrying case which has a telescoping wall structure for varying the carrying capacity of the case. The case has an articulated wall construction and includes a bottom section which is adapted to fit snugly for retention within the lower end of the top section without the use of fastener elements. The case is integrally formed with the top and bottom sections being interconnected by a flexible coupling panel.
    Type: Grant
    Filed: February 28, 1980
    Date of Patent: January 26, 1982
    Assignee: Beatrice Foods Co.
    Inventor: Donald W. Corey
  • Convertible cigarette case
    Patent number: 3968874
    Abstract: Case for accommodating cigarette packages of three different lengths. Two supports of right-angled L-shape are pivoted on the bottom wall of the case for selectively swinging into and out of an operative position and holding each package of lesser length in a desired position relative to the open end of the case.
    Type: Grant
    Filed: February 20, 1975
    Date of Patent: July 13, 1976
    Assignee: Buxton, Incorporated
    Inventor: Donald W. Corey