2147091

Information

• Patent Grant
• 2147091

• References
• Source

• Patent Number

  2,147,091

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1939
  86 years ago

• CPC

  • E01D19/086 - Drainage arrangements or devices
  • Y10T137/6966 - Static constructional installations

• US Classifications

  • 014 - Bridges
  • 137 - Fluid handling