1402444

Information

• Patent Grant
• 1402444

• References
• Source

• Patent Number

  1,402,444

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1922
  103 years ago

• CPC

  • F28D21/00 - Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
  • F28D2021/0057 - for melting materials

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers
  • 202 - Distillation: apparatus