1398156

Information

• Patent Grant
• 1398156

• References
• Source

• Patent Number

  1,398,156

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1921
  103 years ago

• CPC

  • B23G5/064 - with weakened shank portion
  • Y10T408/9048 - Extending outwardly from tool-axis
  • Y10T408/907 - including detailed shank

• US Classifications

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