2643645

Information

• Patent Grant
• 2643645

• References
• Source

• Patent Number

  2,643,645

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1953
  71 years ago

• CPC

  • F22B9/12 - the fire tubes being in substantially horizontal arrangement

• US Classifications

  • 122 - Liquid heaters and vaporizers