Patents by Inventor Antonio Ragona

Antonio Ragona 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).

  • Publication number: 20070085464
    Abstract: Color cathode ray tube comprising a glass front face on which a screen of luminescent materials is deposited as well as a frame/color selection mask assembly, the mask being maintained by welding on the frame, the frame/mask assembly being suspended within the tube by means of support means, at least one of the support means integrates a metal part forming a spring and comprising an aperture at one of its extremities into which fits a metal pin inserted in the glass front face of the tube, and at its other extremity an aperture to enable it to be attached to the frame either by a rivet or by a screw/nut assembly. This type of attachment provides an additional degree of liberty in positioning the aperture of the spring designed to cooperate with the pin of the front face.
    Type: Application
    Filed: October 13, 2006
    Publication date: April 19, 2007
    Inventors: Roberto Tetti, Antonio Ragona, Antonio Zegretti, Alberto Cacciotti