Patents by Inventor Donald F. Wischoff

Donald F. Wischoff 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).

  • Container end closure arrangement
    Patent number: 4948035
    Abstract: An end closure arrangement for a hexagonal container that comprises separate closure flaps foldably joined to each container side wall panel at one end of the container. The flaps include a pair of inner closure flaps, a pair of first intermediate closure flaps, a second intermediate closure flap, and an outer closure flap, all of which are arranged in overlapping interlocking relation.
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: August 14, 1990
    Assignee: Container Corporation of America
    Inventor: Donald F. Wischoff
  • Spindle inner packing structure
    Patent number: 4470509
    Abstract: An inner packing structure for supporting a hollow roll in a dispensing package and comprising a pair of end panel sections and a spindle extending therefrom which includes a center panel and pairs of opposed side panels interconnecting the center panel and the end panel sections.
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: September 11, 1984
    Assignee: Container Corporation of America
    Inventor: Donald F. Wischoff
  • Self-locking container
    Patent number: 4421267
    Abstract: A self-locking paperboard container including opposed pairs of side walls and a locking structure foldably joined to an end of one side wall for holding the container in an assembled and erected condition.
    Type: Grant
    Filed: December 21, 1982
    Date of Patent: December 20, 1983
    Assignee: Container Corporation of America
    Inventor: Donald F. Wischoff
  • Container for dispensing rolled product
    Patent number: 4316563
    Abstract: A container formed from a cut and scored blank of paperboard and adapted to support on opposed walls thereof a core in turn supporting a wound product which is dispensed from the container.
    Type: Grant
    Filed: August 18, 1980
    Date of Patent: February 23, 1982
    Assignee: Container Corporation of America
    Inventors: Gerald W. Turner, Donald F. Wischoff