Patents Assigned to S.p.A. Cellograf-Simp
  • Multilayered structure incorporating a thermometer
    Patent number: 4220680
    Abstract: In a multilayered structure of plastics materials in sheet form, such as a sheet carrying scripts, indications and the like, the improvement consisting in forming through an intermediate layer an opening or window to receive a liquid-crystal temperature indicator which remains permanently embedded in the multilayered structure. Useful articles e.g. a calendar incorporating a thermometer can be fabricated without any substantial increase of the cost of the article as such.
    Type: Grant
    Filed: January 6, 1978
    Date of Patent: September 2, 1980
    Assignee: S.p.A. Cellograf-Simp
    Inventor: Pietro E. Corsi