1709396

Information

• Patent Grant
• 1709396

• References
• Source

• Patent Number

  1,709,396

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1929
  95 years ago

• CPC

  • F24H6/00 - Combined water and air heaters
  • F24H2230/00 - Solid fuel fired boiler
  • Y10T137/647 - Flue extending through fluid
  • Y10T137/6969 - Buildings
  • Y10T137/7976 - Plural separating elements
  • Y10T137/8122 - Planar strainer normal to flow path

• US Classifications

  • 237 - Heating systems
  • 126 - Stoves and furnaces
  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits
  • 251 - Valves and valve actuation
  • 454 - Ventilation