1806393

Information

• Patent Grant
• 1806393

• References
• Source

• Patent Number

  1,806,393

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1931
  93 years ago

• CPC

  • F24D19/0012 - Comprising regulation means
  • G05D23/122 - using a plurality of sensing elements

• US Classifications

  • 236 - Automatic temperature and humidity regulation