Patents by Inventor Paul W. Hardy

Paul W. Hardy 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).

  • Can end closure having first and second sealing means
    Patent number: 4054228
    Abstract: The instant invention relates to an end closure or cover for a metal container comprising a substantially flat sheet metal lid seamed about its extremity to the container body closing the end thereof. The lid has a pour opening having a closure hingedly connected to the lid and closing the pour opening, and wherein first and second sealing means are provided to seal the closure and to provide resistance of the closure to atmospheric pressure and premature opening of the container.
    Type: Grant
    Filed: April 1, 1977
    Date of Patent: October 18, 1977
    Assignee: American Can Company
    Inventors: Alfred E. Balocca, Paul W. Hardy