Patents by Inventor Frank F. Hayes, Sr.

Frank F. Hayes, Sr. 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).

  • All plastic hinge having a non-rising pin and method of making the same
    Patent number: 4175315
    Abstract: There is disclosed an all plastic hinge for hanging conventionally sized doors for buildings and the like. Means are provided to prevent the pin from rising out of the passage afforded by the hinge halves by establishing a preferred direction of pin movement in the pin inserting direction. An enlargement in the pin receiving passage is created by differentially shrinking the knuckle surrounding the passage during the process of manufacture.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: November 27, 1979
    Inventors: Frank F. Hayes, Sr., Frank F. Hayes, Jr, John C. Hayes