Patents by Inventor Francis M. Silver

Francis M. Silver 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).

  • Easy-opening container wall with coreline vent
    Patent number: RE30349
    Abstract: This disclosure describes an easy-opening container wall having a wall segment at least partially removable therefrom. A tab is secured to the container wall for initiating severance of the wall segment from the container wall. A rupturable scoreline is formed in the container wall adjacent the tab and rupturable in response to movement of the tab to initiate severance of the wall segment from the container wall.
    Type: Grant
    Filed: January 2, 1970
    Date of Patent: July 29, 1980
    Assignee: Ermal C. Fraze
    Inventor: Francis M. Silver