291506

Information

• Patent Grant
• 291506

• References
• Source

• Patent Number

  291,506

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1884
  141 years ago

• CPC

  • F16K39/024 - using an auxiliary valve on the main valve
  • Y10T137/86984 - Actuator moves both valves
  • Y10T137/87032 - Rotary concentric valves

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation