477737

Information

• Patent Grant
• 477737

• References
• Source

• Patent Number

  477,737

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1892
  132 years ago

• CPC

  • B23D3/02 - for cutting grooves
  • Y10T409/503116 - Inside hollow work
  • Y10T409/507708 - with rack to drive cutter

• US Classifications

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