3291440

Information

• Patent Grant
• 3291440

• References
• Source

• Patent Number

  3,291,440

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1966
  58 years ago

• CPC

  • G05D16/0622 - characterised by the form of the obturator

• US Classifications

  • 251 - Valves and valve actuation