1121337

Information

• Patent Grant
• 1121337

• References
• Source

• Patent Number

  1,121,337

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1914
  110 years ago

• CPC

  • B23B51/0072 - Drills for making non-circular holes
  • Y10T408/35 - including plural rotating tools
  • Y10T408/6764 - Laterally adjustable Tool

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 451 - Abrading