2231556

Information

• Patent Grant
• 2231556

• References
• Source

• Patent Number

  2,231,556

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1941
  83 years ago

• CPC

  • B24B1/00 - Processes of grinding or polishing Use of auxiliary equipment in connection with such processes
  • B24B11/00 - Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work Accessories therefor
  • Y10S264/55 - Processes for making jewelry
  • Y10S425/109 - Frangible connections
  • Y10S425/806 - Flash removal
  • Y10T29/49694 - Ball making
  • Y10T74/20456 - Specific cable or sheath structure

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 029 - Metal working
  • 063 - Jewelry
  • 074 - Machine element or mechanism
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 451 - Abrading