1391378

Information

• Patent Grant
• 1391378

• References
• Source

• Patent Number

  1,391,378

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1921
  103 years ago

• CPC

  • F16B39/24 - by means of washers, spring washers, or resilient plates that lock against the object
  • Y10S411/941 - Side clutch
  • Y10S411/957 - Biting tooth
  • Y10S411/961 - Pawl and ratchet
  • Y10S411/982 - Spring-tongued washer plate

• US Classifications

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