Patents by Inventor Harry Dillabaugh

Harry Dillabaugh 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: 5077989
    Abstract: A new and improved apparatus and method of removing and interchanging setting for jewelry has a female finding attached to the jewelry. The female finding contains tapered lips which form a slotted key way, and an internal spring to provide bias against a key when inserted into the key way. A male finding which has a key made up of a bar pin with tabs extending perpendicular from the bar pin. The key fits into the key way with the tabs extending out into the slotted key way. As the key is inserted the spring provides a bias.The key is turned 90.degree. and the tabs rotated under the tapered lips until the tabs rest in the notches on the lips. Once the spring holds the key firmly in place. Conventional fingers attached to male finding provides a mount for a stone or other desired setting.
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: January 7, 1992
    Inventor: Harry Dillabaugh