3297050

Information

• Patent Grant
• 3297050

• References
• Source

• Patent Number

  3,297,050

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1967
  58 years ago

• CPC

  • F16K31/50 - with screw-spindle or internally threaded actuating means
  • F16K37/0008 - Mechanical means
  • Y10T137/7014 - Telescopic well casing
  • Y10T137/8275 - Indicator element rigidly carried by the movable element whose position is indicated

• US Classifications

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