3812979

Information

• Patent Grant
• 3812979

• References
• Source

• Patent Number

  3,812,979

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • B66C13/18 - Control systems or devices
  • B66C2700/062 - mounted on motor vehicles
  • G01R31/3668 - Lead-acid batteries

• US Classifications

  • 212 - Traversing hoists
  • 037 - Excavating