840667

Information

• Patent Grant
• 840667

• References
• Source

• Patent Number

  840,667

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1907
  118 years ago

• CPC

  • F28F3/083 - capable of being taken apart
  • Y10S165/361 - Circular flow passages between plates

• US Classifications

  • 165 - Heat exchange