Patents by Inventor Thomas S. Jonas

Thomas S. Jonas 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).

  • Container closure
    Patent number: 4565293
    Abstract: A pilfer-proof closure has an inwardly threaded side wall (7) terminating (at 10) at or just below an annular flange means (17) on the neck of the container (14). Shrunk-in below the flange means (17) is a tamper-evident band (9) joined by a small number (usually 3) of bridges (11, 12, 13). One of the bridges (13) is preferably made weaker than the others.
    Type: Grant
    Filed: July 12, 1984
    Date of Patent: January 21, 1986
    Assignee: National Plastics Limited
    Inventor: Thomas S. Jonas