Patents by Inventor Valdo Sestini

Valdo Sestini 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).

  • Spring-ring closures for necklace-collars bracelets and others
    Patent number: 4483050
    Abstract: A closure for necklace, bracelet or the like comprising a spring-ring with a gapped annular or similar form and a sliding catch therein actuated by a spring contained therein, the closure having a lug with two approximately parallel generally flat laminar portions extending substantially parallel to each other and connected to the spring ring to which they are soldered or welded, the lug having means for connection to one end of a necklace, bracelet or the like.
    Type: Grant
    Filed: August 27, 1982
    Date of Patent: November 20, 1984
    Assignee: Uno-A-Erre Italia S.p.A.
    Inventors: Maurizio Nanni, Valdo Sestini