2498221

Information

• Patent Grant
• 2498221

• References
• Source

• Patent Number

  2,498,221

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1950
  74 years ago

• CPC

  • F16B39/26 - with spring washers fastened to the nut or bolt-head
  • F16B37/00 - Nuts or like thread-engaging members
  • Y10S411/96 - Friction
  • Y10S411/964 - Detent

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener