121230

Information

• Patent Grant
• 121230

• References
• Source

• Patent Number

  121,230

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1871
  153 years ago

• CPC

  • B23D3/04 - in which the tool or workpiece is fed otherwise than in a straight line
  • Y10T82/195 - having work oscillator
  • Y10T409/504592 - with work infeed and means to arcuately reposition the work

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 082 - Turning
  • 125 - Stone working
  • 144 - Woodworking