2823574

Information

• Patent Grant
• 2823574

• References
• Source

• Patent Number

  2,823,574

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1958
  67 years ago

• CPC

  • F16B35/044 - Specially-shaped ends
  • F16B25/0078 - with a shaft of non-circular cross-section or other special geometric features of the shaft
  • Y10S411/938 - Distorted thread
  • Y10T408/9042 - and radially spaced cutting edge

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 408 - Cutting by use of rotating axially moving tool
  • 470 - Threaded, headed fastener, or washer making: process and apparatus