3802491

Information

• Patent Grant
• 3802491

• References
• Source

• Patent Number

  3,802,491

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  50 years ago

• CPC

  • F01N13/08 - Other arrangements or adaptations of exhaust conduits
  • F01N3/04 - using liquids
  • F01N2450/16 - by using threaded joints
  • F01N2470/12 - Tubes being corrugated
  • F01N2470/24 - Concentric tubes or tubes being concentric to housing
  • F02B61/045 - for outboard marine engines
  • Y02T10/20 - Exhaust after-treatment
  • Y10T29/49398 - Muffler, manifold or exhaust pipe making
  • Y10T29/49879 - Spaced wall tube or receptacle

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working
  • 060 - Power plants
  • 138 - Pipes and tubular conduits
  • 285 - Pipe joints or couplings