1203979

Information

• Patent Grant
• 1203979

• References
• Source

• Patent Number

  1,203,979

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1916
  107 years ago

• CPC

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

• US Classifications

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