Patents by Inventor Frank S. Wright

Frank S. Wright 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).

  • One-piece child-resistant closure
    Patent number: 5031784
    Abstract: A one-piece closure includes a bottom member adapted to engage over the neck portion of a container and a top lid member that rotates between a closed position where it engages the mouth of the bottom member and an open position on an integral hinge. An elongate arm includes a distal end hook that engages a ledge on the top lid to hold the top lid open but, when depressed allows the top lid to be opened. The elongate arm can only be depressed by using the thumb or a finger and the top lid cannot be grasped except be the area hidden by the elongate hook.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: July 16, 1991
    Inventor: Frank S. Wright
  • Push and lock child-resistant closure
    Patent number: 4729487
    Abstract: A closure assembly is rotationally free in a child-resistant mode and is provided with a push-button to convert the closure to an operational mode. The closure assembly employs an inner cap, an outer cap, and a push-button selector assembled in a permanent nested configuration.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: March 8, 1988
    Inventor: Frank S. Wright