3521666

Information

• Patent Grant
• 3521666

• References
• Source

• Patent Number

  3,521,666

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  54 years ago

• CPC

  • F16K1/48 - Attaching valve members to screw-spindles
  • F16K1/44 - Details of seats or valve members of double-seat valves
  • F16K27/02 - of lift valves
  • Y10T137/7504 - Removable valve head and seat unit
  • Y10T137/86783 - Unequal heads

• US Classifications

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