1329317

Information

• Patent Grant
• 1329317

• References
• Source

• Patent Number

  1,329,317

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1920
  105 years ago

• CPC

  • E02D29/077 - Tunnels at least partially built beneath the water-bed characterised by being made by methods involving disturbance thereof all along the location line

• US Classifications

  • 405 - Hydraulic and earth engineering