Patents by Inventor Allen W. Clein

Allen W. Clein 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).

  • Fold-out carton and blank therefor
    Patent number: 5161732
    Abstract: A paperboard carton having an improved locking bottom. The disclosed carton has a collapsed position and an expanded position. In its expanded position, it has a square flat bottom which includes four flaps. A first pair of floor flaps, foldably attached along the bottom edges of opposite sidewalls have tabs which interlock when the carton is in the expanded position. The second pair of floor flaps, foldably attached along the bottom edges of the remaining opposite sidewalls, are relatively large and overlie the first pair of flaps and overlap each other when the carton is in the expanded position. Each of the first pair of floor flaps is divided into two sections by a foldline when extends from a corner of the expanded carton.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: November 10, 1992
    Assignee: Accurate Rolal Co. Limited
    Inventors: Allen W. Clein, Warren J. Clein, Bruce D. Clein