2161171

Information

• Patent Grant
• 2161171

• References
• Source

• Patent Number

  2,161,171

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1939
  85 years ago

• CPC

  • G05D16/12 - the sensing element being a float
  • Y10T137/4456 - With liquid valves or liquid trap seals
  • Y10T137/5196 - Unit orientable in a single location between plural positions
  • Y10T137/7814 - Reactor is an inverted cup having liquid seal

• US Classifications

  • 137 - Fluid handling
  • 092 - Expansible chamber devices
  • 251 - Valves and valve actuation