Patents by Inventor Ray F. Zabielski

Ray F. Zabielski 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).

  • Centerline-attached looseleaf notebook page lifter
    Patent number: 4420271
    Abstract: A page lifting device for use with looseleaf binders containing binding rings. The leaves of the page lifter are formed from one or more rigid or flexible sheets of material, or loops of stiff wire, rotatably affixed at their inner edges to the inside of the binder at or contiguous with the centerline of the binding ring base cover. They can contain slots therein, which allow them to fit over the binder rings on closing, or be one or more rigid or flexible sheets located between the binder rings, and affixed to the inside of the binder such that the leaf or leaves envelope and lift the looseleaf pages away from the binder spine on closing.
    Type: Grant
    Filed: September 14, 1982
    Date of Patent: December 13, 1983
    Inventor: Ray F. Zabielski
  • Looseleaf page lifter
    Patent number: 4373825
    Abstract: A page lifting device for use with looseleaf binders containing binding rings. The leaves of the page lifter are formed from one or more, rigid or flexible sheets of material or loops of stiff wire affixed at their inner edges to the inside of the binder at the base of the binding rings by hinged or flexible means. They can contain slots therein, which allow them to fit over the binder rings on closing, or be one or more rigid or flexible sheets located between the binder rings, and affixed to the inside of the binder such that the leaf or leaves envelope and lift the looseleaf pages away from the binder spine on closing.
    Type: Grant
    Filed: October 10, 1980
    Date of Patent: February 15, 1983
    Inventor: Ray F. Zabielski