Patents by Inventor Norman Chezek

Norman Chezek 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: 5148941
    Abstract: An improved powder drum for containing a dry powder having a drum portion and a cover portion. The drum portion having a side wall with a predetermined configuration, an open top end and a bottom end with an aperture therein, having a predetermined configuration. A closure is provided on the open top end of the drum portion that completely closes the top end. The cover portion has a side wall with substantially the same configuration as the predetermined configuration of the side wall of the drum portion and telescopes over the side wall of the drum portion. The cover portion also has a bottom end having a concavity that mates with and extends substantially through the aperture in the bottom end of the drum portion. The concavity has substantially the same configuration as the aperture. A flocked material substantially covers an inner surface of the side wall, the bottom end and the concavity of the cover portion and seals the assembled drum portion and cover portion.
    Type: Grant
    Filed: July 5, 1991
    Date of Patent: September 22, 1992
    Inventor: Norman A. Chezek
  • Patent number: 4674520
    Abstract: A round or oval powder drum is disclosed which comprises a spirally wrapped paper construction body closed at both ends and sealed to prevent leakage of contained, dry fine powders.
    Type: Grant
    Filed: October 7, 1985
    Date of Patent: June 23, 1987
    Assignee: Niemand Bros. Inc.
    Inventors: James Gretshel, Norman Chezek
  • Patent number: 4163517
    Abstract: The disclosure is of a tamper-proof tubular container, which comprises: a tubular body including a detachable or removable body wall portion contiguous with one end, a plug for the opposite end and a removable closure member mounted on the inner surface of the removable portion. Frangible means permits detachment of the removable portion. The closure member has a threaded portion in contact with the inner surface of the tubular wall, to facilitate removal and replacement of the closure member. The container of the invention is particularly advantageous in that it is lightweight, tamper-proof, secure after opening and replacement of the closure member and is easier to employ for multiple opening and reclosures. The disclosure is also of a self-threading closure member for use in association with tubular-type containers.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: August 7, 1979
    Assignee: Niemand Bros., Inc.
    Inventors: Hermann Kappler, Norman A. Chezek