3654997

Information

• Patent Grant
• 3654997

• References
• Source

• Patent Number

  3,654,997

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1972
  52 years ago

• CPC

  • A01D19/00 - Digging machines with centrifugal wheels, drums or spinners
  • A01D17/06 - with rollers or disc screens
  • B07B1/155 - the rollers having a star shaped cross section

• US Classifications

  • 171 - Unearthing plants or buried objects