Patents by Inventor Shirley Czukerberg

Shirley Czukerberg 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).

  • Notebook system
    Patent number: 5749667
    Abstract: A notebook system wherein a stack of sheets is bound together using a plurality of disk fastening members insertable into openings of the stack of sheets to retain the sheets in the stack. The disk members have a substantially flat disk-like central surface portion and an enlarged continuous rim portion which extends around the periphery of the central surface portion of the disks. The rim portion extends outwardly in a direction perpendicular to the flat central portions of the disks, and the central surface portion has a radius which is larger than the thickness of a stack of sheets to be bound thereby. Covers for the notebook comprise a front cover and a rear cover which are arranged to have a stack of sheets therebetween.
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: May 12, 1998
    Inventors: Jacobo Feldman, Shirley Czukerberg
  • Notebook system
    Patent number: 5553959
    Abstract: A notebook system wherein a stack of sheets is bound together using a plurality of disk fastening members insertable into openings of the stack of sheets to retain the sheets in the stack. The disk members have a substantially flat disk-like central surface portion and an enlarged continuous rim portion which extends around the periphery of the central surface portion of the disks. The rim portion extends outwardly in a direction perpendicular to the flat central portions of the disks, and the central surface portion has a radius which is larger than the thickness of a stack of sheets to be bound thereby. Covers for the notebook comprise a front cover and a rear cover which are arranged to have a stack of sheets therebetween.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 10, 1996
    Inventors: Jacobo Feldman, Shirley Czukerberg