2197825

Information

• Patent Grant
• 2197825

• References
• Source

• Patent Number

  2,197,825

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1940
  84 years ago

• CPC

  • B23C3/32 - Milling helical grooves
  • Y10T409/300168 - with means to regulate operation by use of templet, card, or other replaceable information supply
  • Y10T409/300728 - Means to infeed the cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing