2224325

Information

• Patent Grant
• 2224325

• References
• Source

• Patent Number

  2,224,325

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1940
  84 years ago

• CPC

  • F22B27/12 - built-up from rotary heat-exchange elements

• US Classifications

  • 122 - Liquid heaters and vaporizers