3401473

Information

• Patent Grant
• 3401473

• References
• Source

• Patent Number

  3,401,473

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1968
  56 years ago

• CPC

  • E02F3/8883 - Using the force of explosions
  • E02F5/104 - for burying conduits or cables in trenches under water

• US Classifications

  • 037 - Excavating
  • 313 - Electric lamp and discharge devices
  • 405 - Hydraulic and earth engineering