1412864

Information

• Patent Grant
• 1412864

• References
• Source

• Patent Number

  1,412,864

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1922
  103 years ago

• CPC

  • B23C1/027 - with working-spindle movable in a vertical direction
  • Y10T409/30504 - to control rate of infeed or return

• US Classifications

  • 409 - Gear cutting, milling, or planing