3680840

Information

• Patent Grant
• 3680840

• References
• Source

• Patent Number

  3,680,840

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • B66D3/06 - with more than one pulley
  • B66D2700/028 - Pulley blocks with multiple sheaves

• US Classifications

  • 212 - Traversing hoists