872857

Information

• Patent Grant
• 872857

• References
• Source

• Patent Number

  872,857

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1907
  117 years ago

• CPC

  • B23Q35/10 - mechanically only
  • Y10T409/302352 - including plural cutters

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 144 - Woodworking