3515435

Information

• Patent Grant
• 3515435

• References
• Source

• Patent Number

  3,515,435

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1970
  54 years ago

• CPC

  • E01C23/092 - rotary

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 172 - Earth working