Patents by Inventor Lars S. Birgersson

Lars S. Birgersson 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).

  • Indexable cutting insert
    Patent number: 4755085
    Abstract: The invention relates to an indexable cutting insert for recessing. The insert (10) has a triangular basic shape and comprises three cutting edges. Each cutting edge is arranged at a projection (16) which at least partly is asymmetrically arranged relative to a line parallel with the working direction (I) of the insert. The insert has a good accessibility at work pieces having narrow spaces.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: July 5, 1988
    Assignee: Santrade Limited
    Inventors: Tord S. H. Muren, Lars H. Ericksson, Lars S. Birgersson, Lars-Erik Gustafsson