Patents by Inventor Cesare Sordi

Cesare Sordi 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).

  • Integral helmet fitted with a chin piece which may be lifted by forward shifting and swinging movements
    Patent number: 4769857
    Abstract: The chin protecting piece (10) is apt to secure the helmet to the wearer's head, by constrainment under the jaw, through a padding (30).The chin piece can be rotated upwardly to facilitate introduction on or removal of the helmet from the wearer's head by forward shifting and swinging movements or vice versa, as it is secured to the helmet by pins (14) running in an "L" shaped slot (16) in the side walls of the helmet itself.The movement of the chin piece is independent from that of the vizor which is hinged on pins (8) and may be lifted as required by the wearer.The chin piece remains locked in its lowered position by a snap action device (34-40).
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: September 13, 1988
    Inventors: Marco Cianfanelli, Alberto Lapucci, Cesare Sordi