3319711

Information

• Patent Grant
• 3319711

• References
• Source

• Patent Number

  3,319,711

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1967
  57 years ago

• CPC

  • F28F1/325 - Fins with openings
  • B21D53/085 - with fins places on zig-zag tubes or parallel tubes
  • F28D1/0535 - the conduits having a non-circular cross-section
  • F28F1/32 - the means having portions engaging further tubular elements
  • Y10S165/502 - Lanced
  • Y10T29/49378 - Finned tube

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working