Patents by Inventor John E. Carlyon

John E. Carlyon 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: 4787335
    Abstract: A pet litter box consisting of a box having an A-frame structure for use in combination with a disposal bag. The box is constructed with relatively low peripheral side wall and an A-frame structure consisting of side struts suspending a center rod centrally over the box. A disposal bag of selected size and configuration is then secured over the box and A-frame while allowing access through one end, and the bag is periodically removable for waste disposal and subsequent replacement.
    Type: Grant
    Filed: July 16, 1987
    Date of Patent: November 29, 1988
    Inventor: John E. Carlyon