2490693

Information

• Patent Grant
• 2490693

• References
• Source

• Patent Number

  2,490,693

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1949
  75 years ago

• CPC

  • F24H1/30 - the water mantle being built up from sections

• US Classifications

  • 122 - Liquid heaters and vaporizers