2289639

Information

• Patent Grant
• 2289639

• References
• Source

• Patent Number

  2,289,639

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1942
  82 years ago

• CPC

  • F17C13/02 - Special adaptations of indicating, measuring, or monitoring equipment
  • F17C2205/0323 - Valves
  • F17C2205/0338 - Pressure regulators
  • F17C2205/0385 - in blocks or units
  • F17C2221/011 - Oxygen
  • F17C2227/0304 - using an electric heater
  • F17C2270/0189 - Planes
  • F17C2270/025 - Breathing
  • Y10T137/2012 - Pressure
  • Y10T137/7795 - Multi-stage
  • Y10T137/7813 - Plural reactor surfaces
  • Y10T137/7828 - Valve head on yoke

• US Classifications

  • 137 - Fluid handling
  • 092 - Expansible chamber devices