1861994

Information

• Patent Grant
• 1861994

• References
• Source

• Patent Number

  1,861,994

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1932
  92 years ago

• CPC

  • B66C3/18 - by electric motors

• US Classifications

  • 037 - Excavating
  • 212 - Traversing hoists
  • 414 - Material or article handling