1878496

Information

• Patent Grant
• 1878496

• References
• Source

• Patent Number

  1,878,496

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1932
  92 years ago

• CPC

  • F01P7/16 - by thermostatic control
  • Y10S236/16 - Relief spring

• US Classifications

  • 237 - Heating systems
  • 123 - Internal-combustion engines
  • 236 - Automatic temperature and humidity regulation