2221574

Information

• Patent Grant
• 2221574

• References
• Source

• Patent Number

  2,221,574

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1940
  84 years ago

• CPC

  • B23C9/00 - Details or accessories so far as specially adapted to milling machines or cutter
  • Y10T409/30588 - including friction gearing drive

• US Classifications

  • 409 - Gear cutting, milling, or planing