1664744

Information

• Patent Grant
• 1664744

• References
• Source

• Patent Number

  1,664,744

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1928
  97 years ago

• CPC

  • F16B39/28 - by special members on, or shape of, the nut or bolt
  • Y10S411/953 - Washer-carried pawl
  • Y10S411/963 - Yielding interlocking washer

• US Classifications

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