3220148

Information

• Patent Grant
• 3220148

• References
• Source

• Patent Number

  3,220,148

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1965
  59 years ago

• CPC

  • B28D1/122 - with exchangeable cutter bits or cutter segments
  • B24D5/123 - having different cutting segments
  • B24D18/00 - Manufacture of grinding tools or other grinding devices

• US Classifications

  • 451 - Abrading
  • 051 - Abrasive tool making process, material, or composition
  • 125 - Stone working