1909556

Information

• Patent Grant
• 1909556

• References
• Source

• Patent Number

  1,909,556

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1933
  91 years ago

• CPC

  • F28D3/02 - with tubular conduits
  • F28G5/00 - Cleaning by distortion

• US Classifications

  • 165 - Heat exchange