Patents by Inventor Marc Helfenstein

Marc Helfenstein 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).

  • Packaging, especially a collapsible box consisting of cardboard or laminated cardboard
    Publication number: 20050173291
    Abstract: The invention relates to a packaging (1) comprising an insertable cover (4) having at least one insertable tongue which can be inserted into a receiving opening (5) in order to close the packaging. In order to render the packaging childproof, said insertable tongue comprises a blocking means, preferably in the form of a blocking strip (7) which engages behind a blocking ledge (10) when the cover is closed. A targeted force must be exerted on the blocking strip in order to open the insertable cover, to which end a releasing opening (14) is provided.
    Type: Application
    Filed: April 12, 2002
    Publication date: August 11, 2005
    Inventors: Erich Specker, Alfred Kalin, Marc Helfenstein