3469404

Information

• Patent Grant
• 3469404

• References
• Source

• Patent Number

  3,469,404

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1969
  55 years ago

• CPC

  • E02B7/205 - Barrages controlled by the variations of the water level; automatically functioning barrages
  • E02B9/025 - automatically movable
  • Y02E10/22 - Conventional

• US Classifications

  • 405 - Hydraulic and earth engineering