1961439

Information

• Patent Grant
• 1961439

• References
• Source

• Patent Number

  1,961,439

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1934
  90 years ago

• CPC

  • G05D7/0126 - the sensing element being a piston or plunger associated with one or more springs
  • Y10T137/7829 - Yoke has valve closing bias

• US Classifications

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