Patents by Inventor Anthony C. Blackshaw

Anthony C. Blackshaw 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).

  • Patent number: 4409882
    Abstract: A recoil operated hand gun has a main frame (1) constructed from a plurality of releasably interconnected parts (2, 3, 4, 5, 6, 7), a barrel assembly (38), a slide (37) movable relative to the main frame and including a releasably secured breech block (42), a recoil spring (51), a hammer assembly (8, 11, 13, 24, 25) and trigger assembly (28, 30, 31). The barrel assembly and slide are locked together by cooperating cams (39, 7) on the barrel assembly and the main frame which force a wedge cam locking surface (55) on the barrel assembly into engagement with an opening (56) in the slide on the slide's return to its position of rest.
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: October 18, 1983
    Assignees: Anthony C. Blackshaw, Stewart M. Beecham
    Inventors: Anthony C. Blackshaw, Stewart M. Beecham, Andre S. Holland
  • Patent number: D309768
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: August 7, 1990
    Inventor: Anthony C. Blackshaw