1894631

Information

• Patent Grant
• 1894631

• References
• Source

• Patent Number

  1,894,631

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1933
  92 years ago

• CPC

  • F16B39/24 - by means of washers, spring washers, or resilient plates that lock against the object
  • F16B39/108 - with a locking washer under the nut or bolt head having at least one tongue or lug folded against the nut or bolt head, or against the object itself
  • Y10S411/948 - Longitudinal key
  • Y10S411/955 - Locked bolthead or nut
  • Y10S411/979 - Resilient

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 470 - Threaded, headed fastener, or washer making: process and apparatus