3858737

Information

• Patent Grant
• 3858737

• References
• Source

• Patent Number

  3,858,737

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  50 years ago

• CPC

  • E02F3/32 - working downwardly and towards the machine
  • E02F3/30 - with a dipper-arm pivoted on a cantilever beam
  • E02F9/245 - for preventing damage to underground objects during excavation
  • E02F9/26 - Indicating devices
  • G01V3/15 - specially adapted for use during transport
  • Y10S37/906 - Visual aids and indicators for excavating tool

• US Classifications

  • 414 - Material or article handling
  • 037 - Excavating