Patents by Inventor Frank T. Chesterton

Frank T. Chesterton 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: 5395143
    Abstract: A locking assembly consisting of a post device is positionable in floor adjacent to a door permitting the door to be no more than partially opened. The locking assembly comprises a base fixture permanently mounted in the floor, and a post in the base assemmbly which can be raised so as to block the door against being completely opened, or lowered to permit the door to be completely opened. The locking member is releasably coupled within the fixture by means of a post connection. The post is raised or lowered by turning the post clockwise or counterclockwise until a pin located at the bottom of the post engages with a slot in the post thereby permitting the post to raised or lowered.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: March 7, 1995
    Assignee: John K. Forrest
    Inventor: Frank T. Chesterton