725654

Information

• Patent Grant
• 725654

• References
• Source

• Patent Number

  725,654

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1903
  121 years ago

• CPC

  • B44B3/002 - using a pantograph
  • Y10T409/301512 - including plural cutters

• US Classifications

  • 033 - Geometrical instruments
  • 409 - Gear cutting, milling, or planing