3466001

Information

• Patent Grant
• 3466001

• References
• Source

• Patent Number

  3,466,001

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1969
  55 years ago

• CPC

  • E21B33/0375 - Corrosion protection means
  • E21B33/038 - Connectors used on well heads
  • E21B34/04 - in underwater well heads
  • E21B41/02 - in situ inhibition of corrosion in boreholes or wells
  • F16K31/1221 - one side of the piston being spring-loaded

• US Classifications

  • 251 - Valves and valve actuation