3877502

Information

• Patent Grant
• 3877502

• References
• Source

• Patent Number

  3,877,502

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • F16B39/24 - by means of washers, spring washers, or resilient plates that lock against the object
  • Y10S411/936 - Canted nut
  • Y10S411/957 - Biting tooth
  • Y10T24/1437 - Both ends threaded

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 024 - Buckles, buttons, clasps, etc.