1764536

Information

• Patent Grant
• 1764536

• References
• Source

• Patent Number

  1,764,536

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1930
  95 years ago

• CPC

  • F23N3/06 - by conjoint operation of two or more valves or dampers
  • F23N3/065 - using mechanical means

• US Classifications

  • 236 - Automatic temperature and humidity regulation