1338503

Information

• Patent Grant
• 1338503

• References
• Source

• Patent Number

  1,338,503

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1920
  104 years ago

• CPC

  • E02D5/10 - made of concrete or reinforced concrete

• US Classifications

  • 405 - Hydraulic and earth engineering