556493

Information

• Patent Grant
• 556493

• References
• Source

• Patent Number

  556,493

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1896
  128 years ago

• CPC

  • B23B51/0072 - Drills for making non-circular holes
  • Y10T29/5105 - Drill press
  • Y10T408/08 - with means to regulate operation by use of templet, tape, card, or other replaceable information supply
  • Y10T408/21 - with signal, indicator, illuminator or optical means
  • Y10T408/35 - including plural rotating tools
  • Y10T408/5612 - Tool having shiftable tool-axis
  • Y10T409/30084 - with regulation of operation by templet, card, or other replaceable information supply

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 029 - Metal working
  • 269 - Work holders
  • 409 - Gear cutting, milling, or planing