3540509

Information

• Patent Grant
• 3540509

• References
• Source

• Patent Number

  3,540,509

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1970
  54 years ago

• CPC

  • F16B39/282 - Locking by means of special shape of work-engaging surfaces
  • F16B39/24 - by means of washers, spring washers, or resilient plates that lock against the object
  • Y10S411/959 - Bolt- or nut-carried
  • Y10S411/961 - Pawl and ratchet

• US Classifications

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