2639861

Information

• Patent Grant
• 2639861

• References
• Source

• Patent Number

  2,639,861

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1953
  71 years ago

• CPC

  • F24D1/005 - in combination with systems for domestic water supply

• US Classifications

  • 237 - Heating systems
  • 099 - Foods and beverages: apparatus
  • 126 - Stoves and furnaces