3747502

Information

• Patent Grant
• 3747502

• References
• Source

• Patent Number

  3,747,502

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • E01C1/005 - Means permanently installed along the road for removing or neutralising exhaust gases
  • F24F7/065 - fan combined with single duct; mounting arrangements of a fan in a duct
  • F24F2003/1657 - the air pollution of a street or a city
  • Y10S55/30 - Exhaust treatment

• US Classifications

  • 454 - Ventilation
  • 055 - Gas separation
  • 404 - Road structure, process, or apparatus