3770195

Information

• Patent Grant
• 3770195

• References
• Source

• Patent Number

  3,770,195

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  52 years ago

• CPC

  • B60H1/00442 - using a vacuum
  • B60H1/00485 - Valves for air-conditioning devices

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 237 - Heating systems