3489293

Information

• Patent Grant
• 3489293

• References
• Source

• Patent Number

  3,489,293

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  54 years ago

• CPC

  • B63B27/10 - using cranes
  • B66C13/30 - Circuits for braking, traversing, or slewing motors
  • B66C2700/082 - Control of the secondary movements

• US Classifications

  • 212 - Traversing hoists
  • 318 - Electricity: motive power systems
  • 340 - Communications: electrical