3687323

Information

• Patent Grant
• 3687323

• References
• Source

• Patent Number

  3,687,323

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • B66C23/34 - Self-erecting cranes
  • B66C9/06 - for more than one rail gauge
  • B66C9/14 - Trolley or crane travel drives
  • B66C23/26 - for use on building sites constructed
  • B66C2700/0385 - Cranes with trolleys movable along adjustable or slewable arms

• US Classifications

  • 212 - Traversing hoists