Patents by Inventor Thomas R. Chivers

Thomas R. Chivers 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).

  • Fully concealed door hinge
    Patent number: 4068348
    Abstract: A hinge apparatus for furniture and cabinets which is not visible when the door is closed and which includes linkages associated with a control slot for causing the door to follow a definite rationally chosen path during the opening and closing motion of the door as well as the positioning of the door in a desired location relative to the fixed structure with which it is associated.
    Type: Grant
    Filed: April 20, 1976
    Date of Patent: January 17, 1978
    Assignee: Southern Tool Mfg. Co., Inc.
    Inventor: Thomas R. Chivers