1620464

Information

• Patent Grant
• 1620464

• References
• Source

• Patent Number

  1,620,464

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1927
  97 years ago

• CPC

  • F22B37/545 - Valves specially adapted therefor
  • Y10T137/4442 - External pressure
  • Y10T137/87032 - Rotary concentric valves

• US Classifications

  • 137 - Fluid handling