Patents by Inventor Poul G. Andersson

Poul G. Andersson 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).

  • Receptacle with a cover of plastics material
    Patent number: 4296871
    Abstract: A receptacle having an integral ring-shaped lock for engaging the depending rim of a cover. In order to prevent an undesirable opening said ring-shaped lock is reinforced by depending tips in a first weakened portion and supported by stays in a second weakened portion. The rim and the ring-shaped lock have interengaging conical surfaces. The cover has a depressed central area with an outer wall for engagement with the inner side of the receptacle wall.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: October 27, 1981
    Assignee: Ring Lock Container S. A.
    Inventor: Poul G. Andersson