Patents by Inventor Maria Caligiuri, administrator

Maria Caligiuri, administrator 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).

  • Automatic circuit restoration device for polyphase feed lines
    Patent number: 4068280
    Abstract: An automatic circuit restoration device for polyphase lines, comprising a set of normally open circuit breakers connected in series to respective feed lines and controlled in unison by one coil, and an auxiliary movable contact controlled by means responsive to the presence of voltage on one or more of the feed lines so that said movable contact is opened and said circuit breakers are closed through said coil when one of said feed lines is deenergized.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: January 10, 1978
    Inventors: Pietro Basile, deceased, Maria Caligiuri, administrator