Patents by Inventor Chester E. Rung

Chester E. Rung 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).

  • Mailbox with indicator flags
    Patent number: 4552302
    Abstract: A mailbox characterized by a box provided with a hinged door, and a pair of indicator flags pivotally attached to opposing sides of the box. The indicator flags are spring loaded such that one of the flags is biased towards an upright position, and the other flag is biased towards a horizontal position. Spring loaded links are attached to each of the flags to engage a pair of studs provided on opposing sides of the mailbox door. The links are adapted to hold the flags until the door is opened, at which time the flags will rotate to their biased positions.
    Type: Grant
    Filed: July 24, 1984
    Date of Patent: November 12, 1985
    Inventor: Chester E. Rung