3400889

Information

• Patent Grant
• 3400889

• References
• Source

• Patent Number

  3,400,889

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1968
  56 years ago

• CPC

  • B60H1/20 - using an intermediate heat-transferring medium
  • B60H1/036 - from the plant exhaust gases and from a burner

• US Classifications

  • 237 - Heating systems