3856439

Information

• Patent Grant
• 3856439

• References
• Source

• Patent Number

  3,856,439

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • F04B39/0038 - of inlet or outlet channels
  • F04B39/06 - Cooling Heating Prevention of freezing

• US Classifications

  • 417 - Pumps
  • 181 - Acoustics