1941425

Information

• Patent Grant
• 1941425

• References
• Source

• Patent Number

  1,941,425

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1933
  91 years ago

• CPC

  • F24F3/02 - characterised by the pressure or velocity of the primary air

• US Classifications

  • 165 - Heat exchange
  • 237 - Heating systems
  • 454 - Ventilation