3131775

Information

• Patent Grant
• 3131775

• References
• Source

• Patent Number

  3,131,775

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1964
  60 years ago

• CPC

  • A01B21/083 - of the type comprising four individual disk groups each pivotally connected at fixed locations to a substantially rigid frame
  • A01B63/04 - Hand devices Hand devices with mechanical accumulators

• US Classifications

  • 172 - Earth working