3743354

Information

• Patent Grant
• 3743354

• References
• Source

• Patent Number

  3,743,354

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1973
  52 years ago

• CPC

  • E21C35/04 - Safety devices
  • E21C35/22 - Equipment for preventing the formation of, or for removal of, dust
  • E21C2035/226 - Control valves for the spraying liquid used in dust suppression systems

• US Classifications

  • 299 - Mining or in situ disintegration of hard material