2509839

Information

• Patent Grant
• 2509839

• References
• Source

• Patent Number

  2,509,839

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1950
  74 years ago

• CPC

  • E21B34/08 - responsive to flow or pressure of the fluid obtained
  • Y10T137/2822 - Auxiliary liquid trap seal
  • Y10T137/7781 - With separate connected fluid reactor surface
  • Y10T137/7856 - Valve seat formed on or carried by a coupling element
  • Y10T137/7904 - Reciprocating valves

• US Classifications

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