1956004

Information

• Patent Grant
• 1956004

• References
• Source

• Patent Number

  1,956,004

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1934
  90 years ago

• CPC

  • G05D23/1856 - with sensing element responsive to pressure or volume change in a confined fluid
  • Y10T137/7793 - With opening bias [e.g., pressure regulator]

• US Classifications

  • 137 - Fluid handling
  • 200 - Electricity: circuit makers and breakers
  • 237 - Heating systems
  • 251 - Valves and valve actuation