3791752

Information

• Patent Grant
• 3791752

• References
• Source

• Patent Number

  3,791,752

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1974
  50 years ago

• CPC

  • F01N13/08 - Other arrangements or adaptations of exhaust conduits
  • E01C1/005 - Means permanently installed along the road for removing or neutralising exhaust gases
  • E01C11/224 - Surface drainage of streets
  • F01N13/082 - of tailpipe
  • F02B61/045 - for outboard marine engines

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 454 - Ventilation