427040

Information

• Patent Grant
• 427040

• References
• Source

• Patent Number

  427,040

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1890
  135 years ago

• CPC

  • F16B37/14 - Cap nuts Nut caps or bolt caps
  • Y10S411/977 - Pawl-locked

• US Classifications

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