2820594

Information

• Patent Grant
• 2820594

• References
• Source

• Patent Number

  2,820,594

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  66 years ago

• CPC

  • F24D19/081 - for steam heating systems
  • G05D23/022 - the sensing element being placed within a regulating fluid flow

• US Classifications

  • 236 - Automatic temperature and humidity regulation