2170291

Information

• Patent Grant
• 2170291

• References
• Source

• Patent Number

  2,170,291

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1939
  85 years ago

• CPC

  • B23C1/025 - with working-spindle movable in a fixed position
  • Y10T409/305152 - with means to change rate of infeed
  • Y10T409/305936 - including fluid drive

• US Classifications

  • 409 - Gear cutting, milling, or planing