410784

Information

• Patent Grant
• 410784

• References
• Source

• Patent Number

  410,784

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1889
  135 years ago

• CPC

  • B23B51/0072 - Drills for making non-circular holes
  • Y10T83/6633 - By work moving flexible chain or conveyor
  • Y10T408/35 - including plural rotating tools
  • Y10T408/3555 - Adapted to cut entire thickness of work at one pass
  • Y10T408/3811 - with provision for adjustment of relationship of axes
  • Y10T408/3839 - with presser-foot

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 083 - Cutting
  • 144 - Woodworking