1974517

Information

• Patent Grant
• 1974517

• References
• Source

• Patent Number

  1,974,517

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1934
  90 years ago

• CPC

  • E02B7/32 - Cylindrical or tubular gates

• US Classifications

  • 405 - Hydraulic and earth engineering