1924654

Information

• Patent Grant
• 1924654

• References
• Source

• Patent Number

  1,924,654

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1933
  91 years ago

• CPC

  • F01P7/12 - by thermostatic control
  • Y10S165/097 - Plural parallel pivotable shutters

• US Classifications

  • 165 - Heat exchange
  • 049 - Movable or removable closures
  • 123 - Internal-combustion engines
  • 236 - Automatic temperature and humidity regulation
  • 454 - Ventilation