Patents by Inventor Douglas G. Shanks, Sr.

Douglas G. Shanks, 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).

  • Patent number: 6256974
    Abstract: A chain link is disclosed. The link is composed of two abutting link parts, one of which has an end which is slidably received within a correspondingly shaped end of the other link part, and a connector, preferably a retaining snap ring. The ring is received in cooperating grooves in, and locks, the two link parts in their abutting positions. The grooves, the ring, and the link parts are so shaped and positioned that, when the ring is received within the grooves, the link parts constitute a complete link of a desired configurations, and are securely locked to one another by the ring. The link parts may initially be separate and have second ends corresponding with the first ends. Alternatively, the free ends of the link parts may be connected to or integral with a link body which connects them. At least a portion of the link body is flexible or malleable.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: July 10, 2001
    Inventor: Douglas G. Shanks, Sr.