2138258

Information

• Patent Grant
• 2138258

• References
• Source

• Patent Number

  2,138,258

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1938
  86 years ago

• CPC

  • B24B5/423 - having a grinding wheel turning around the workpiece
  • B24B33/04 - designed for working external surfaces of revolution

• US Classifications

  • 451 - Abrading
  • 125 - Stone working