565500

Information

• Patent Grant
• 565500

• References
• Source

• Patent Number

  565,500

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1896
  128 years ago

• CPC

  • B23B51/0072 - Drills for making non-circular holes
  • Y10T408/35 - including plural rotating tools

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool