825298

Information

• Patent Grant
• 825298

• References
• Source

• Patent Number

  825,298

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1906
  118 years ago

• CPC

  • B60H1/16 - the air being heated by direct contact with the plant

• US Classifications

  • 237 - Heating systems
  • 219 - Electric heating