3908629

Information

• Patent Grant
• 3908629

• References
• Source

• Patent Number

  3,908,629

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • F28F9/165 - by using additional preformed parts
  • F24H9/0052 - for air heaters

• US Classifications

  • 126 - Stoves and furnaces
  • 165 - Heat exchange
  • 285 - Pipe joints or couplings