721123

Information

• Patent Grant
• 721123

• References
• Source

• Patent Number

  721,123

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1903
  122 years ago

• CPC

  • B23D3/04 - in which the tool or workpiece is fed otherwise than in a straight line
  • Y10T409/503444 - Concave work surface [e.g., bearing, stereotype printing plate, etc,]
  • Y10T409/505084 - with plural sequentially acting cutters or with double acting cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing