1957558

Information

• Patent Grant
• 1957558

• References
• Source

• Patent Number

  1,957,558

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1934
  90 years ago

• CPC

  • F24D19/0085 - Fresh air entries for air entering the room to be heated by the radiator
  • F24D19/06 - Casings, cover lids or ornamental panels, for radiators

• US Classifications

  • 126 - Stoves and furnaces
  • 454 - Ventilation