581538

Information

• Patent Grant
• 581538

• References
• Source

• Patent Number

  581,538

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1897
  127 years ago

• CPC

  • E02B7/205 - Barrages controlled by the variations of the water level; automatically functioning barrages
  • Y10T137/7332 - Sinking or bucket type float

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 137 - Fluid handling