1566640

Information

• Patent Grant
• 1566640

• References
• Source

• Patent Number

  1,566,640

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1925
  98 years ago

• CPC

  • F16B39/10 - by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
  • Y10S411/924 - Coupled nut and bolt
  • Y10S411/992 - Key, plate, or bar

• US Classifications

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