Patents by Inventor Patrick E. Cartwright

Patrick E. Cartwright 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: 3968531
    Abstract: For use in a beehive, a molded plastic super having rectangularly arranged vertically extending walls including end walls and side walls. Each side wall provides, at its ends, vertically spaced apart openings while each end wall provides, at its ends, integrally molded tenons resiliently snapped into engagement with the openings in the adjacent side wall end, thereby rigidly to connect the walls. A molded plastic bottom board upon which the super rests is provided, the bottom board having a rectangularly shaped planar intermediate portion with opposing sides and ends and with an upwardly projecting outer perimetral wall extending longitudinally along the sides and one of the ends to provide an upwardly facing surface upon which the side walls and one end wall of the super rest. The bottom board also provides an inner perimetral wall extending longitudinally alongside each outer wall and projecting upwardly into the super to position the walls thereof.
    Type: Grant
    Filed: December 18, 1974
    Date of Patent: July 13, 1976
    Inventor: Patrick E. Cartwright