Patents by Inventor Lawrence I. Brenner

Lawrence I. Brenner 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: 6553636
    Abstract: A jewelry clasp has a base with a base end and a distal end with a hook extending back over the base. A jaw is moveably mounted with respect to the base adjacent a midpoint. A retainer portion of the jaw is adapted to overlie the top of the hook adjacent the distal end. A closed space is formed between the jaw, the hook and the base to receive an eyelet. A lever portion on the end of the jaw opposite the hook is provided to move the retainer portion outwardly in order to open the clasp. Preferably, a pivot pin mounts the jaw and a spring is utilized to urge the retainer portion firmly against the hook. The hook can have a straight section engageable by the eyelet during coupling and a curved section at the top of the hook. Particular angle positioning can provide additional assistance in coupling and decoupling the eyelet, along with the positioning, curving and spacing of the tip of the jaw. Alternatively, the hook may be curved substantially throughout its length.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: April 29, 2003
    Assignee: Spertner Jewelers, LLC
    Inventor: Lawrence I. Brenner