Patents by Inventor Mary Jane Zivkovic

Mary Jane Zivkovic 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).

  • Reclosable bag having double closure
    Patent number: 7674040
    Abstract: A reclosable bag having two spaced-apart flexible closures and external finger guide ridges and/or pressure distribution ridges to facilitate their closure. The ridges lie in a region between the double closures and they extend generally parallel to each other and to the closures when the bag is in an empty and flat state. The pressure distribution ridges improve the finger pressure distribution by moving the applied forces closer to the closure profiles. When used in conjunction with external finger guide ridges, the pressure distribution ridges also improve the bearing surface of the external finger guide ridges with the thumb and forefinger of the person closing the bag.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: March 9, 2010
    Assignee: Illinois Tool Works Inc.
    Inventors: Sean Edward Dowd, Herbert Zivkovic, Mary Jane Zivkovic, legal representative, Perry Malik
  • Reclosable bag having double closure
    Publication number: 20080159662
    Abstract: A reclosable bag having two spaced-apart flexible closures and external finger guide ridges and/or pressure distribution ridges to facilitate their closure. The ridges lie in a region between the double closures and they extend generally parallel to each other and to the closures when the bag is in an empty and flat state. The pressure distribution ridges improve the finger pressure distribution by moving the applied forces closer to the closure profiles. When used in conjunction with external finger guide ridges, the pressure distribution ridges also improve the bearing surface of the external finger guide ridges with the thumb and forefinger of the person closing the bag.
    Type: Application
    Filed: December 29, 2006
    Publication date: July 3, 2008
    Inventors: Sean Edward Dowd, Herbert Zivkovic, Mary Jane Zivkovic, Perry Malik