2980402

Information

• Patent Grant
• 2980402

• References
• Source

• Patent Number

  2,980,402

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1961
  63 years ago

• CPC

  • F28F9/268 - by permanent joints
  • F28D1/053 - the conduits being straight
  • F28D2021/0035 - for domestic or space heating
  • Y10S165/131 - Single-confined-fluid radiator for heating ambient air
  • Y10T29/49378 - Finned tube

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working
  • 285 - Pipe joints or couplings