1393545

Information

• Patent Grant
• 1393545

• References
• Source

• Patent Number

  1,393,545

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1921
  103 years ago

• CPC

  • E02D5/12 - Locking forms Edge joints Pile crossings Branch pieces
  • E02D5/30 - made of concrete or reinforced concrete or made of steel and concrete

• US Classifications

  • 405 - Hydraulic and earth engineering