Patents by Inventor Sheldon Pitkin

Sheldon Pitkin 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).

  • Prefabricated fencing system
    Patent number: 4060222
    Abstract: A prefabricatedfence is formed by a plurality of upright poles and a plurality of horizontal rails disposed between the poles. Each pole carries a plurality of bulb-shaped connection members projecting radially therefrom. The poles are positioned by pointed rods inserted axially therethrough and driven into the ground. The rails define cylindrical openings at their ends, and the openings slidably engage the connection members whereby the rails are supported at their ends.
    Type: Grant
    Filed: June 22, 1976
    Date of Patent: November 29, 1977
    Inventors: Sheldon Pitkin, Richard Varcadipane, Walter H. Poppe