720641

Information

• Patent Grant
• 720641

• References
• Source

• Patent Number

  720,641

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1903
  121 years ago

• CPC

  • F16B39/101 - with a plate, spring, wire or ring holding two or more nuts or bolt heads which are mainly in the same plane
  • Y10S411/993 - Bolthead- or nut-held

• US Classifications

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