2089228

Information

• Patent Grant
• 2089228

• References
• Source

• Patent Number

  2,089,228

• Date Filed

  Not available

• Date Issued

  Tuesday, August 10, 1937
  87 years ago

• CPC

  • B23B39/12 - Radial drilling machines
  • Y10T408/165 - to control Tool rotation

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 470 - Threaded, headed fastener, or washer making: process and apparatus