3324664

Information

• Patent Grant
• 3324664

• References
• Source

• Patent Number

  3,324,664

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1967
  57 years ago

• CPC

  • E21D23/0069 - without essential advancing shifting devices
  • E21D23/0418 - Positioning devices and stabilizing means for the props

• US Classifications

  • 405 - Hydraulic and earth engineering