2121840

Information

• Patent Grant
• 2121840

• References
• Source

• Patent Number

  2,121,840

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1938
  86 years ago

• CPC

  • B23F5/166 - with plural tools
  • B23F23/1287 - Pinion shaper cutter holders
  • Y10T409/105406 - Plural distinct cutting edges

• US Classifications

  • 409 - Gear cutting, milling, or planing