3221423

Information

• Patent Grant
• 3221423

• References
• Source

• Patent Number

  3,221,423

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  60 years ago

• CPC

  • E02F3/64 - Buckets cars
  • E02F3/6463 - with rotatable scraper bowls for dumping the soil
  • E02F3/657 - Means to prevent the spilling of dredged material

• US Classifications

  • 037 - Excavating