Patents by Inventor Darrel C. Tracy

Darrel C. Tracy 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: 5003921
    Abstract: A picture construction is provided wherein a cabinet is formed with an overlying pivotally mounted transparent glass member secured to a bottommost surface of the cabinet. The cabinet includes a series of ramps and feed troughs for storage and viewing of animals, such as gerbils and the like, therewithin. Ventilation and lighting is arranged wherein optionally selectively replaceable pictures are positionable onto a rearward face of the cabinet, wherein the pictures include fiber optic filaments therethrough, wherein an overlying illumination source directs light through the pictures and through the translucent material forming the body of the picture to enhance the visual effect of the picture in association with the animals within the cabinet.
    Type: Grant
    Filed: February 28, 1990
    Date of Patent: April 2, 1991
    Inventor: Darrel C. Tracy