2211589

Information

• Patent Grant
• 2211589

• References
• Source

• Patent Number

  2,211,589

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1940
  84 years ago

• CPC

  • E02D29/073 - Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid on, the water-bed

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 104 - Railways