3695347

Information

• Patent Grant
• 3695347

• References
• Source

• Patent Number

  3,695,347

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1972
  52 years ago

• CPC

  • F28F1/128 - Fins with openings
  • B21D53/08 - of both metal tubes and sheet metal
  • F28F2255/12 - expanded or perforated metal plate
  • Y10S165/509 - Side-by-side conduits lie in common plane
  • Y10T29/49377 - Tube with heat transfer means

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working