1653258

Information

• Patent Grant
• 1653258

• References
• Source

• Patent Number

  1,653,258

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1927
  97 years ago

• CPC

  • B23G5/12 - self-releasing
  • Y10T408/375 - Coaxial tools
  • Y10T408/85896 - Annular wedge-collar

• US Classifications

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