1420600

Information

• Patent Grant
• 1420600

• References
• Source

• Patent Number

  1,420,600

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1922
  102 years ago

• CPC

  • B23D3/02 - for cutting grooves
  • Y10T409/507216 - with rack to drive cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing