362116

Information

• Patent Grant
• 362116

• References
• Source

• Patent Number

  362,116

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1887
  137 years ago

• CPC

  • E04C2/521 - serving for locating conduits; for ventilating, heating or cooling
  • E04B5/48 - Special adaptations of floors for incorporating ducts
  • F23J2211/20 - Common flues for several combustion devices
  • F23J2211/30 - Chimney or flue associated with building ventilation system
  • F24F7/02 - Roof ventilation

• US Classifications

  • 237 - Heating systems