Patents by Inventor Gustav R. A. Gustavsson

Gustav R. A. Gustavsson 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).

  • Plug for making electrical interconnection
    Patent number: 4136918
    Abstract: The electric plug of the present invention including a base plate, a yoke, a case movable over said yoke and a pair of flat contact pins of American type and also a pair of round pins of European type. The flat contact pins are fixed in the base plate of the plug, while the round contact pins are located in that part of the plug consisting essentially of yoke and case. When the case is drawn upwardly over the yoke, the two components can be tilted as a unit about journals in the base plate so as to expose the flat contact pins for use. When the case is pushed down over the yoke, the round contact pins are exposed for use.
    Type: Grant
    Filed: September 8, 1977
    Date of Patent: January 30, 1979
    Assignee: Sandvik Aktiebolag
    Inventors: Tore V. Claesson, Gustav R. A. Gustavsson