1429440

Information

• Patent Grant
• 1429440

• References
• Source

• Patent Number

  1,429,440

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1922
  102 years ago

• CPC

  • F28D1/0391 - a single plate being bent to form one or more conduits
  • Y10S165/386 - To form only air passages

• US Classifications

  • 165 - Heat exchange