3648667

Information

• Patent Grant
• 3648667

• References
• Source

• Patent Number

  3,648,667

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  52 years ago

• CPC

  • F22B35/14 - during the starting-up periods

• US Classifications

  • 122 - Liquid heaters and vaporizers