1449381

Information

• Patent Grant
• 1449381

• References
• Source

• Patent Number

  1,449,381

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1923
  101 years ago

• CPC

  • B23G5/12 - self-releasing
  • Y10T29/5178 - Attachment
  • Y10T408/552 - Adapted to engage work at tool-axis

• US Classifications

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