Patents by Inventor Charles C. Kelsey, Jr.

Charles C. Kelsey, Jr. 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: 5133261
    Abstract: A small arms projectile has a body that includes a larger cylindrical main body section and a smaller generally frusto-conical front body section with a plurality of curved veins or ribs mounted thereon that define the frusto-conical shape of the front body portion as generated during rotation of the projectile. The front body section has an annular concave surface and each of the curved ribs or veins extends between the concave surface and an outermost edge. The projectile can be used with standard pistol and rifle cartridges such as .22, .38, .45, 9 mm and the like. In a second embodiment, a shot shell sabot-projectile assembly that can be used with smooth bore guns as well as with shot guns of various gauges such as .410, .28, .20, .16, .12 and .10 for example.
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: July 28, 1992
    Inventor: Charles C. Kelsey, Jr.
  • Patent number: 5116224
    Abstract: A cartridge bullet having a truncated conical nose with radial rearwardly extending ribs with grooves defining curved surfaces between the ribs.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: May 26, 1992
    Inventor: Charles C. Kelsey, Jr.
  • Patent number: 4974356
    Abstract: A high chamber pressure piston having the barrel relatively close vertically to the grip to reduce muzzle flip. The hammer and related components are in the bolt above the barrel, the bolt cover with sights do not move during firing, an ambidextrious bolt hold open and release assembly selectively holds the bolt in rearward position and the trigger mechanism has safety features to prevent misfiring and multiple firing.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: December 4, 1990
    Inventors: Charles C. Kelsey, Jr., George L. Reynolds
  • Patent number: 4446645
    Abstract: A cartridge magazine and follower for firearms in which the follower is provided with a spring-action in addition to that of the follower spring. As cartridges are loaded into the magazine the follower itself is compressed, thereby providing more space within the magazine for one or more additional cartridges without basically changing the dimensions of the magazine.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: May 8, 1984
    Assignee: Devel Corporation
    Inventors: Charles C. Kelsey, Jr., Walter C. Wolff