1916355

Information

• Patent Grant
• 1916355

• References
• Source

• Patent Number

  1,916,355

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1933
  91 years ago

• CPC

  • F24D19/0085 - Fresh air entries for air entering the room to be heated by the radiator
  • E06B7/02 - for providing ventilation

• US Classifications

  • 165 - Heat exchange
  • 237 - Heating systems
  • 392 - Electric resistance heating devices
  • 454 - Ventilation