Patents by Inventor Michael J. Kitson

Michael J. Kitson 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: 4899989
    Abstract: A safety arrangement for stairs comprises a length of rail secured to a wall parallel to the stairs and a handle which is slidable along the rail if force is applied to the handle in a direction parallel to the longitudinal extent of the rail but is jammed with respect to the rail if force is applied in any other direction. Preferably the handle is a loop formed by rubber covered reinforcement and the handle is a loop formed by rubber covered reinforcement and the handle has a neck portion leading to a head portion, the neck portion extending through a slot into a box section of the rail which contains the head portion.
    Type: Grant
    Filed: November 21, 1988
    Date of Patent: February 13, 1990
    Inventors: Michael J. Kitson, David Williams
  • Patent number: 4648482
    Abstract: The present invention relates to a ladder anchor for stabilizing a ladder while in use.The ladder anchor comprises a hollow member having at least a wedge-shaped front portion provided with a closable orifice for filling the member with ballast or discharging ballast therefrom, the member having a ground engaging surface and a top surface,the top surface having therein at least one recess for receiving one or each of the longitudinal struts of a ladder and providing a foot receiving surface between the recess or recesses and the base of the member.Preferably, the member can be filled with water as the ballast.
    Type: Grant
    Filed: October 28, 1985
    Date of Patent: March 10, 1987
    Inventor: Michael J. Kitson