1910997

Information

• Patent Grant
• 1910997

• References
• Source

• Patent Number

  1,910,997

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1933
  91 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