2251320

Information

• Patent Grant
• 2251320

• References
• Source

• Patent Number

  2,251,320

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1941
  83 years ago

• CPC

  • F16K27/062 - with conical plugs
  • Y10T74/18576 - including screw and nut
  • Y10T137/7014 - Telescopic well casing

• US Classifications

  • 137 - Fluid handling
  • 074 - Machine element or mechanism
  • 220 - Receptacles
  • 251 - Valves and valve actuation
  • 277 - Seal for a joint or juncture