921736

Information

• Patent Grant
• 921736

• References
• Source

• Patent Number

  921,736

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1909
  115 years ago

• CPC

  • B44B3/002 - using a pantograph
  • Y10T409/301456 - and means to counterbalance carrier

• US Classifications

  • 173 - Tool driving or impacting
  • 072 - Metal deforming
  • 144 - Woodworking
  • 409 - Gear cutting, milling, or planing