Patents by Inventor Marshall J. Prairie, Jr.

Marshall J. Prairie, Jr. 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: 5317108
    Abstract: A gasketless weather-resistant electrical outlet cover assembly includes a cover plate with a top wall and an aperture for exposing an electrical device and a door having a top wall which is hingedly connected to the cover plate top wall. The hinged connection includes at least one hook projecting up from the cover plate top wall, each hook having a slot extending into the space under the hook. The hinge connection also includes at least one laterally extending hinge pin on the door for pivotal engagement in the space under a hook on the cover plate through the slot therein so that the door can swing between a closed position wherein the cover covers the aperture in the cover plate to an open position wherein the door is swung away from the cover plate to expose that aperture.
    Type: Grant
    Filed: December 15, 1992
    Date of Patent: May 31, 1994
    Assignee: L.E. Mason Company
    Inventor: Marshall J. Prairie, Jr.
  • Patent number: 5293003
    Abstract: A box extender has movable gates for providing a first set of threaded holes for attaching a receptacle or other electrical device to the extender when the movable gates are in a "closed" position, and for swinging to an "open" position to facilitate access to a second set of holes for attaching the extender to an electrical box. The movable gates are in the form of flat plates that extend nearly all the way across the housing when they are in the closed position. The housing of the extender provides a device for defeatable retaining the movable gates in the closed position.
    Type: Grant
    Filed: October 8, 1992
    Date of Patent: March 8, 1994
    Inventor: Marshall J. Prairie, Jr.