1815870

Information

• Patent Grant
• 1815870

• References
• Source

• Patent Number

  1,815,870

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1931
  93 years ago

• CPC

  • F23N5/025 - using electrical or electromechanical means
  • F23N5/188 - using mechanical means
  • F23N2035/20 - Membrane valves
  • F23N2035/24 - Valve details

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 202 - Distillation: apparatus