1803074

Information

• Patent Grant
• 1803074

• References
• Source

• Patent Number

  1,803,074

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1931
  93 years ago

• CPC

  • F25B41/06 - Flow restrictors
  • F25B17/04 - with two or more boilers operating alternately

• US Classifications

  • 062 - Refrigeration