Patents by Inventor Clifford Sheaffer

Clifford Sheaffer 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).

  • Publication number: 20070012213
    Abstract: A shot pattern control wad structure for use in a cartridge for shotgun wherein the cartridge includes a case having a tubular outer wall and a wad structure located in the case between gunpowder and a charge of pellets. The wad structure of the present invention is a two-piece structure and includes a base wad having a tubular cylindrical body open at a forward end thereof and has a closed rearward end that faces adjacent to the gun powder. The second portion of the wad structure is a shot container having a tubular cylindrical body with open rear and front ends and contains the charge of pellets and is dimensioned to be slidably received within the base wad. The open front end of the sot container has an annular inwardly restricting extrusion passage for extruded passage of the charge of pellets therethrough and the open rear end of the shot container is preferably provided with longitudinal slits.
    Type: Application
    Filed: August 11, 2006
    Publication date: January 18, 2007
    Inventor: Clifford Sheaffer
  • Publication number: 20070012212
    Abstract: A shot pattern control wad structure for use in a cartridge for shotgun wherein the cartridge includes a case having a tubular outer wall and a wad structure located in the case between gunpowder and a charge of pellets. The wad structure of the present invention is a two-piece structure and includes a base wad having a tubular cylindrical body open at a forward end thereof and has a closed rearward end that faces adjacent to the gun powder. The cylindrical body of the base wad is provided with slits longitudinally extending from the open forward end. The second portion of the wad structure is a shot container having a tubular cylindrical body with open rear and front ends and contains the charge of pellets and is dimensioned to be slidably received within the base wad.
    Type: Application
    Filed: July 12, 2005
    Publication date: January 18, 2007
    Inventor: Clifford Sheaffer