3872977

Information

• Patent Grant
• 3872977

• References
• Source

• Patent Number

  3,872,977

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  49 years ago

• CPC

  • B66C23/701 - telescopic
  • B66C13/18 - Control systems or devices
  • B66C23/348 - the erection being operated by jacks
  • B66C2700/06 - Cranes in which the lifting movement is done with a hydraulically controlled plunger

• US Classifications

  • 212 - Traversing hoists