1744452

Information

• Patent Grant
• 1744452

• References
• Source

• Patent Number

  1,744,452

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1930
  94 years ago

• CPC

  • F22D1/38 - Constructional features of water and air preheating systems
  • Y10S122/01 - Air heater

• US Classifications

  • 122 - Liquid heaters and vaporizers