1778538

Information

• Patent Grant
• 1778538

• References
• Source

• Patent Number

  1,778,538

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1930
  94 years ago

• CPC

  • F24D19/0085 - Fresh air entries for air entering the room to be heated by the radiator
  • F24D19/04 - in skirtings

• US Classifications

  • 165 - Heat exchange