3831631

Information

• Patent Grant
• 3831631

• References
• Source

• Patent Number

  3,831,631

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • B23K5/22 - Auxiliary equipment
  • F23D14/40 - for welding
  • Y10T137/87684 - Valve in each inlet

• US Classifications

  • 137 - Fluid handling
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 251 - Valves and valve actuation
  • D08 - Tools and hardware