3616940

Information

• Patent Grant
• 3616940

• References
• Source

• Patent Number

  3,616,940

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • B66C23/545 - with arrangements for avoiding dead centre problems during cylinder motion
  • B66F11/044 - Working platforms suspended from booms

• US Classifications

  • 212 - Traversing hoists
  • 182 - Fire escape, ladder, or scaffold