3647136

Information

• Patent Grant
• 3647136

• References
• Source

• Patent Number

  3,647,136

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  53 years ago

• CPC

  • F23N1/085 - using electrical or electromechanical means
  • F24D19/1066 - for the combination of central heating and domestic hot water
  • F24D19/1069 - regulation in function of the temperature of the domestic hot water

• US Classifications

  • 237 - Heating systems