1898490

Information

• Patent Grant
• 1898490

• References
• Source

• Patent Number

  1,898,490

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1933
  92 years ago

• CPC

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

• US Classifications

  • 122 - Liquid heaters and vaporizers