Patents by Inventor Marcel G. Prot

Marcel G. Prot 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: 4057444
    Abstract: A container, particularly for packing purposes, a method for manufacturing it and a machine for carrying out the method are described. The container comprises a cardboard sheath, a film of a material having thermobonding characteristics innerly lining the cardboard sheath at least close to its bottom end, a plastic bottom having a peripheral rim integral with the sheath by being bonded on a margin of said film and, at its end opposite to the bottom, a flange made of the same plastic material as that which makes the bottom, said flange being made integral with said sheath by the usual thermobonding techniques.
    Type: Grant
    Filed: September 16, 1975
    Date of Patent: November 8, 1977
    Assignee: The Mead Corporation
    Inventor: Marcel G. Prot