Patents by Inventor Matthew S. Larson

Matthew S. Larson 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).

  • TAP WITH CHIP BREAKING CHAMFER
    Publication number: 20100221077
    Abstract: The tap comprises a shank portion and a threaded portion connected to the shank portion. The threaded portion includes a plurality of lands separated by flutes where each of the lands has threads formed thereon. Each of the plurality of lands including a chamfer formed at an end thereof where the chamfer is formed with a cutting edge and a heel edge. The cutting edge is formed with a first positive relief angle and the heel edge is formed with a second positive relief angle.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 2, 2010
    Applicant: Irwin Industrial Tool Company
    Inventors: Derek J. Nash, Matthew S. Larson