2474731

Information

• Patent Grant
• 2474731

• References
• Source

• Patent Number

  2,474,731

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1949
  75 years ago

• CPC

  • A01B3/44 - with parallel plough units used alternately
  • Y10T74/20666 - Lever engaging

• US Classifications

  • 172 - Earth working
  • 074 - Machine element or mechanism