Patents by Inventor Ellen S. Frauenthal

Ellen S. Frauenthal 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: 5114074
    Abstract: A retraction resistant straw of a generally cylindrical construction having a retaining tab having one edge secured to the outer periphery of the cylinder of the straw substantially parallel to the cylinder's longitudinal axis. A retaining edge from the tab extends radially from the cylinder. The tab is flexible and may be laid about the outer periphery of the straw when same is inserted into a disposable juice carton, and will return to a relaxed position so that the retaining surface will engage the inside of the upper wall of a juice carton when a child or other user attempts to retract same. An alternate embodiment having a circular retaining edge which is the bottom of a truncated cone coaxial with the straw is also shown.
    Type: Grant
    Filed: August 13, 1990
    Date of Patent: May 19, 1992
    Inventors: Ellen S. Frauenthal, Leonard A. Silverstein