2781174

Information

• Patent Grant
• 2781174

• References
• Source

• Patent Number

  2,781,174

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1957
  67 years ago

• CPC

  • F24D3/08 - in combination with systems for domestic hot-water supply
  • F24D3/087 - Tap water heat exchangers specially adapted therefore

• US Classifications

  • 237 - Heating systems
  • 122 - Liquid heaters and vaporizers