Patents by Inventor David L. Hurst

David L. Hurst 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).

  • Multi-caliber bolt for a firearm
    Patent number: 8069600
    Abstract: A bolt for a firearm is described that can be used to chamber, extract, and/or eject different cartridges that have different outside rim diameters. In one embodiment, the bolt includes a bolt head that is configured to engage the rearward end of a plurality of different cartridges. The bolt may include an extractor that is configured to engage the rims of the plurality of cartridges and/or an ejector that is configured to bias the cartridge case out of an ejection port of the firearm.
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: December 6, 2011
    Assignee: Browning
    Inventors: Joseph F. N. Rousseau, Peter Sodoma, David L. Hurst
  • MULTI-CALIBER BOLT FOR A FIREARM
    Publication number: 20100281734
    Abstract: A bolt for a firearm is described that can be used to chamber, extract, and/or eject different cartridges that have different outside rim diameters. In one embodiment, the bolt includes a bolt head that is configured to engage the rearward end of a plurality of different cartridges. The bolt may include an extractor that is configured to engage the rims of the plurality of cartridges and/or an ejector that is configured to bias the cartridge case out of an ejection port of the firearm.
    Type: Application
    Filed: January 9, 2008
    Publication date: November 11, 2010
    Inventors: Joseph F. N. Rousseau, Peter Sodoma, David L. Hurst