3859801

Information

• Patent Grant
• 3859801

• References
• Source

• Patent Number

  3,859,801

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1975
  50 years ago

• CPC

  • E21F5/02 - by wetting or spraying
  • E21C2035/226 - Control valves for the spraying liquid used in dust suppression systems

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 060 - Power plants