422346

Information

• Patent Grant
• 422346

• References
• Source

• Patent Number

  422,346

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1890
  135 years ago

• CPC

  • F16B39/32 - Locking by means of a pawl or pawl-like tongue
  • Y10S411/977 - Pawl-locked

• US Classifications

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