1160675

Information

• Patent Grant
• 1160675

• References
• Source

• Patent Number

  1,160,675

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1915
  109 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