2817321

Information

• Patent Grant
• 2817321

• References
• Source

• Patent Number

  2,817,321

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1957
  67 years ago

• CPC

  • F22B21/40 - built-up from water tubes arranged in a comparatively long vertical shaft

• US Classifications

  • 122 - Liquid heaters and vaporizers