1667231

Information

• Patent Grant
• 1667231

• References
• Source

• Patent Number

  1,667,231

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1928
  96 years ago

• CPC

  • B24B27/00 - Other grinding machines or devices
  • B24B27/0092 - Grinding attachments for lathes or the like
  • Y10T82/245 - Watchmaker's lathe

• US Classifications

  • 451 - Abrading
  • 082 - Turning