3877128

Information

• Patent Grant
• 3877128

• References
• Source

• Patent Number

  3,877,128

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • F28F21/082 - from steel or ferrous alloys
  • B21C37/225 - longitudinally-ribbed tubes
  • B21D53/02 - heat exchangers or parts thereof
  • C08G69/44 - Polyester-amides
  • F17C9/02 - with change of state
  • F25B39/02 - Evaporators
  • F28F1/20 - the means being attachable to the element
  • F28F21/084 - from aluminium or aluminium alloys
  • F17C2201/0138 - tubular
  • F17C2201/0157 - Polygonal
  • F17C2203/03 - Thermal insulations
  • F17C2205/0176 - with ventilation
  • F17C2227/0393 - using a vaporiser
  • F28F2275/085 - with snap connection
  • Y10T29/49378 - Finned tube
  • Y10T29/49924 - of parallel side-by-side elongated members

• US Classifications

  • 029 - Metal working