3635309

Information

• Patent Grant
• 3635309

• References
• Source

• Patent Number

  3,635,309

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1972
  53 years ago

• CPC

  • F01B31/16 - Silencers specially adapted for steam engines

• US Classifications

  • 181 - Acoustics