2151657

Information

• Patent Grant
• 2151657

• References
• Source

• Patent Number

  2,151,657

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1939
  87 years ago

• CPC

  • F04F5/469 - for steam engines
  • Y10T137/86984 - Actuator moves both valves

• US Classifications

  • 137 - Fluid handling