1520368

Information

• Patent Grant
• 1520368

• References
• Source

• Patent Number

  1,520,368

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1924
  100 years ago

• CPC

  • C13B25/001 - with heating tubes or plates

• US Classifications

  • 159 - Concentrating evaporators
  • 165 - Heat exchange