1667022

Information

• Patent Grant
• 1667022

• References
• Source

• Patent Number

  1,667,022

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1928
  96 years ago

• CPC

  • B27C3/02 - Stationary drilling machines with a single working spindle
  • Y10T408/5647 - including means to move Tool

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool