Patents by Inventor Robert L. Callecod

Robert L. Callecod 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: 4159113
    Abstract: A steel cable is stretched overhead between a starting platform and a terminal tower and equipped with a passenger pulley having a handle from which a child can hang while rolling along the cable. Only difficultly negotiable ladder means e.g., a chain or tire ladder, are provided for climbing to the starting platform to limit access to the starting platform to children having motor skills that are sufficiently developed to ensure safe use of the cable slide. An impact cushion may be mounted upon the terminal tower below the cable. Auxiliary recreational facilities are provided in the same structures to entertain children awaiting their turns and those who are interested observers.
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: June 26, 1979
    Assignee: Recreation Systems Co.
    Inventor: Robert L. Callecod
  • Patent number: 4068842
    Abstract: Side walls of spaced horizontal rails inclined inwardly to a horizontal platform provide a safe climbing challenge to children on a complex recreation structure. A vertical pole in the center of an opening in the platform offers the thrill of sliding down into the interior of the structure. An open doorway provides access to the interior. The interrelated complexity of the structure offers challenge and stimulation to the children. The side walls include spaced horizontal rails each of which rests upon and extends beyond a rail of adjoining sides. A horizontal user's platform is positioned at the uppermost limit of the walls spanning an area defined by the tops of the walls. The pole is unsupported by the platform and the walls.
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: January 17, 1978
    Assignee: Recreation Systems Co.
    Inventor: Robert L. Callecod
  • Patent number: D246005
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: October 4, 1977
    Assignee: Recreation Systems Co.
    Inventor: Robert L. Callecod
  • Patent number: D246477
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: November 22, 1977
    Assignee: Recreation Systems Co.
    Inventor: Robert L. Callecod