1447254

Information

• Patent Grant
• 1447254

• References
• Source

• Patent Number

  1,447,254

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1923
  101 years ago

• CPC

  • E02D7/24 - Placing by using fluid jets
  • E02D5/10 - made of concrete or reinforced concrete

• US Classifications

  • 405 - Hydraulic and earth engineering