404679

Information

• Patent Grant
• 404679

• References
• Source

• Patent Number

  404,679

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1889
  135 years ago

• CPC

  • B23D3/02 - for cutting grooves
  • Y10T409/503116 - Inside hollow work
  • Y10T409/505084 - with plural sequentially acting cutters or with double acting cutter
  • Y10T409/50738 - with screw to drive cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing