3451304

Information

• Patent Grant
• 3451304

• References
• Source

• Patent Number

  3,451,304

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1969
  55 years ago

• CPC

  • E21D21/0026 - characterised by constructional features of the bolts
  • E21D21/006 - Anchoring-bolts made of cables or wires
  • F16G11/04 - with wedging action
  • Y10T403/4327 - Reversely bent portion
  • Y10T403/4372 - Intertwisted ends
  • Y10T403/4694 - Rod received in recessed side, e.g., socket or tapered opening, etc.

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 403 - Joints and connections
  • 405 - Hydraulic and earth engineering