3774217

Information

• Patent Grant
• 3774217

• References
• Source

• Patent Number

  3,774,217

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  51 years ago

• CPC

  • B66F11/046 - of the telescoping type
  • B66C13/40 - Applications of devices for transmitting control pulses Applications of remote control devices
  • B66C2700/088 - Remote control of electric cranes

• US Classifications

  • 340 - Communications: electrical
  • 182 - Fire escape, ladder, or scaffold
  • 212 - Traversing hoists