1398814

Information

• Patent Grant
• 1398814

• References
• Source

• Patent Number

  1,398,814

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1921
  103 years ago

• CPC

  • B27G15/00 - Boring or turning tools Augers
  • B23Q11/0053 - using the gravity force
  • Y02P70/171 - Devices or processes for removing and reusing chips
  • Y10T408/50 - with product handling or receiving means
  • Y10T408/8725 - including means to permit relative axial positioning of edges
  • Y10T408/8734 - including central Tool axially movable relative to support

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 175 - Boring or penetrating the earth