1770155

Information

• Patent Grant
• 1770155

• References
• Source

• Patent Number

  1,770,155

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1930
  94 years ago

• CPC

  • E02D29/0216 - Cribbing walls
  • E01B2/006 - Deep foundation of tracks

• US Classifications

  • 405 - Hydraulic and earth engineering