Patents by Inventor Morris Chercasky

Morris Chercasky 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).

  • Solenoid annunciator
    Patent number: 4342973
    Abstract: An annunciator for a solenoid includes a conductive probe which projects into the pathway of the solenoid core piece. Upon actuation of the core piece, the probe is engaged by the core piece to partially complete an electrical circuit to an external signalling device. The probe includes a lost motion contact to insure proper making and breaking of a circuit upon further movement of the core piece into engagement with the field piece.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: August 3, 1982
    Assignee: Guardian Electric Manufacturing Company
    Inventors: Richard S. Stone, Morris Chercasky