2624418

Information

• Patent Grant
• 2624418

• References
• Source

• Patent Number

  2,624,418

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1953
  72 years ago

• CPC

  • F01N13/18 - Construction facilitating manufacture, assembly, or disassembly
  • F01N1/089 - using two or more expansion chambers in series
  • F01N2470/02 - Tubes being perforated
  • F01N2490/02 - Two or more expansion chambers in series connected by means of tubes
  • F01N2510/04 - for sound absorption
  • F01N2530/26 - Multi-layered walls

• US Classifications

  • 181 - Acoustics