Patents by Inventor Cornelis P. Schravendeel

Cornelis P. Schravendeel 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).

  • Clasp mechanism
    Patent number: 3956804
    Abstract: A clasp construction for interconnecting the ends of a chain, bracelet, necklace, or the like, together. The clasp is comprised of two components which are spring-loaded, and pivotally connected together. By exerting a gripping force against the clasp, the components can be pivoted relative to each other, thus permitting the clasp to be attached to, or separated from, a chain link, ring, or the like.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: May 18, 1976
    Assignee: Monet Jewelers, Inc.
    Inventors: Norman Gatof, Cornelis P. Schravendeel