3223153

Information

• Patent Grant
• 3223153

• References
• Source

• Patent Number

  3,223,153

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1965
  59 years ago

• CPC

  • B21D53/085 - with fins places on zig-zag tubes or parallel tubes
  • F28F1/325 - Fins with openings
  • Y10S165/502 - Lanced
  • Y10T29/4938 - Common fin traverses plurality of tubes

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working