Patents by Inventor William C. MacPherson

William C. MacPherson 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).

  • Bottom wall for container
    Patent number: 4402419
    Abstract: A seamless metal container including a body and an integral bottom wherein the bottom has controlled distension characteristics. The bottom is joined to the body by a radius and the bottom has a flat central portion offset inwardly into the body and being joined to the radius by an annular generally frustoconical radially outer portion. The offset of the flat central portion into the interior of the body is less than the thickness of the metal of the bottom and is such that in conditions of use under pressure with the bottom distended, the bottom becomes flat.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: September 6, 1983
    Assignee: The Continental Group, Inc.
    Inventor: William C. MacPherson