3871781

Information

• Patent Grant
• 3871781

• References
• Source

• Patent Number

  3,871,781

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  50 years ago

• CPC

  • E02F5/102 - operatively associated with mole-ploughs, coulters
  • A01B13/08 - for working subsoil
  • A01B59/065 - for ploughs or like implements
  • Y10T403/32245 - Arcuate shank moves in complementary guide
  • Y10T403/32622 - Rocking or rolling contact
  • Y10T403/32967 - Attached to or integral with one member

• US Classifications

  • 403 - Joints and connections
  • 037 - Excavating
  • 172 - Earth working