1790241

Information

• Patent Grant
• 1790241

• References
• Source

• Patent Number

  1,790,241

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1931
  94 years ago

• CPC

  • F28F21/088 - for domestic or space-heating systems
  • F28D1/0233 - with air flow channels
  • F28D1/0477 - the conduits being bent in a serpentine or zig-zag
  • F28F1/22 - the means having portions engaging further tubular elements
  • Y10S165/067 - Cylindrical heat exchanger rectilinearly slidable relative to its support
  • Y10T29/49378 - Finned tube

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working