3913275

Information

• Patent Grant
• 3913275

• References
• Source

• Patent Number

  3,913,275

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1975
  49 years ago

• CPC

  • B24B1/00 - Processes of grinding or polishing Use of auxiliary equipment in connection with such processes
  • B24B5/225 - for mass articles
  • B24B11/02 - for grinding balls
  • B24B39/04 - designed for working external surfaces of revolution

• US Classifications

  • 451 - Abrading