1301589

Information

• Patent Grant
• 1301589

• References
• Source

• Patent Number

  1,301,589

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1919
  105 years ago

• CPC

  • F24D3/147 - arranged in facades

• US Classifications

  • 165 - Heat exchange
  • 237 - Heating systems