Patents by Inventor Jonas Weitzner

Jonas Weitzner 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).

  • Slide fastener bottom ends
    Patent number: 4112553
    Abstract: A bottom stop member for slide fasteners in which the bottom ends of the chains of interlocking elements are detachable, the stop member having two lateral grooves into which the end members of both chains are seated. One of the chains are fastened to the stop member by teeth in one lateral slot of the stop member that engages into corresponding recesses in the end member of the chain while the end member of the adjacent chain is being detachable since its corresponding lateral slot has no teeth. The stop member and the chains are made of the same injection molded plastic material.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: September 12, 1978
    Inventor: Jonas Weitzner