2983261

Information

• Patent Grant
• 2983261

• References
• Source

• Patent Number

  2,983,261

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1961
  63 years ago

• CPC

  • F22B9/04 - the fire tubes being in upright arrangement
  • F24H1/30 - the water mantle being built up from sections

• US Classifications

  • 122 - Liquid heaters and vaporizers