Patents by Inventor Christopher John Sherwin

Christopher John Sherwin 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: 3962504
    Abstract: Fired ceramic tiles having a rear surface which is provided with a series of fine ribs but is otherwise substantially planar are attachable to a wall or similar surface, without the need to apply a fixative to the surface, by reason of a plurality of bodies of adhesive material distributed over the rear surface of the tile body and projecting therefrom to a thickness of 0.75 to 1mm., the adhesive being a pressure-sensitive adhesive and being of such a nature that it will retain its coherent form both prior to and after mounting of the tile and will not flow or spread appreciably, each body of adhesive extending over a plurality of said ribs which are embedded therein, having a flat outer surface and being spaced from adjacent bodies of adhesive and from the edges of the tile body, and the adhesive material being protected by a peel-off film.
    Type: Grant
    Filed: October 23, 1975
    Date of Patent: June 8, 1976
    Assignee: H & R Johnson-Richards Tiles Limited
    Inventor: Christopher John Sherwin