Patents Examined by Daniel Yasich
  • Patent number: 3968928
    Abstract: A signal for a rural mail box which is automatically moved from one signalling position to another when the door of the mail box is opened, thus indicating to an observer located at a distance that the box has been opened and that mail has been deposited therein. The mechanism for operating the signal includes a pull rod attached to the door of the mail box and having a lost motion connection with a spindle carrying the signal.
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: July 13, 1976
    Inventor: Victor L. Caldwell