Patents by Inventor Donald G. Flansburg

Donald G. Flansburg 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).

  • Patent number: 4333581
    Abstract: A container for beverages including an outer peripheral wall and upper and lower walls. The upper wall spans and is sealed relative to the upper marginal edges of the peripheral wall and includes a first elongated tab formed integrally therewith and downwardly tearable from the top wall into the container with one bendable end of the first tab portion remaining attached to the top wall. An upwardly opening partition wall is disposed within the container below the top wall and includes peripheral edges sealed relative to the top wall. The peripheral wall defines a closed chamber within the container below the top wall. The partition wall includes a second integral elongated tab tearable therefrom with one bendable end portion of the second tab remaining attached to the partition wall. Connecting structure is operatively associated with the first and second tabs operative to effect tearing of the second tab from the partition wall responsive to downward tearing of the first tab from the top wall.
    Type: Grant
    Filed: August 19, 1980
    Date of Patent: June 8, 1982
    Assignee: Henry H. Howard
    Inventor: Donald G. Flansburg