Patents by Inventor Charles W. Rosenburg

Charles W. Rosenburg 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).

  • Collapsible bottom structure for eight-sided container
    Patent number: 4549690
    Abstract: An eight-sided container (10) formed from a single blank which can be machine glued, partially manually erected, and fully opened by the insertion of its contents. The container includes eight side panels (12-26) a side glue flap (28), a large octagonal top (34) and a bottom formed of three pairs of flaps (54) being machine glued to an adjacent flap (56). The third pair of flaps (58) are substantially larger than the other pair of flaps and are adapted to overlie and interlock with each other to provide a strong bottom.
    Type: Grant
    Filed: July 26, 1984
    Date of Patent: October 29, 1985
    Assignee: F. N. Burt Company, Inc.
    Inventor: Charles W. Rosenburg
  • Carton
    Patent number: D260080
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: August 4, 1981
    Assignees: J. C. Penney Company, Inc., F. N. Burt Co., Inc.
    Inventors: Richard A. Ravotto, Charles W. Rosenburg, Jr.
  • Container for prescription drugs or the like
    Patent number: D274407
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: June 26, 1984
    Assignee: F. N. Burt Company, Inc.
    Inventor: Charles W. Rosenburg, Jr.