1476422

Information

• Patent Grant
• 1476422

• References
• Source

• Patent Number

  1,476,422

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1923
  101 years ago

• CPC

  • F22B37/428 - Feed-water supply alarm devices using dilatation of solids or liquids

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 122 - Liquid heaters and vaporizers