Patents by Inventor John Martin Symons

John Martin Symons 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).

  • Polymeric closure comprising foamed polyethylene or ethylene copolymer and a resilient compound
    Patent number: 6608116
    Abstract: A foamed closure for a container, wherein the closure consists essentially of (a) a major proportion of at least one material selected from the group consisting of polyethylene and copolymers of ethylene; and (b) a minor proportion of at least one resilient compound. The resilient compound is preferably selected from the group consisting of polyethylene, metallocene catalyzed polyolefins, ethylene vinyl acetate copolymers, styrene-butadiene-styrene copolymers or styrene-ethylene-butylene-styrene copolymers.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: August 19, 2003
    Assignee: Anthony Smith Australia Pty Ltd
    Inventors: John Martin Symons, William James McMahon
  • Polymeric closure comprising foamed polyethylene or ethylene copolymer and a resilient compound
    Publication number: 20020010225
    Abstract: A foamed closure for a container, wherein the closure consists essentially of (a) a major proportion of at least one material selected from the group consisting of polyethylene and copolymers of ethylene; and (b) a minor proportion of at least one resilient compound. The resilient compound is preferably selected from the group consisting of polyethylene, metallocene catalyzed polyolefins, ethylene vinyl acetate copolymers, styrene-butadiene-styrene copolymers or styrene-ethylene-butylene-styrene copolymers.
    Type: Application
    Filed: March 14, 2001
    Publication date: January 24, 2002
    Inventors: John Martin Symons, William James McMahon