3433044

Information

• Patent Grant
• 3433044

• References
• Source

• Patent Number

  3,433,044

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1969
  55 years ago

• CPC

  • F28F1/128 - Fins with openings
  • B21D53/025 - Louvered fins
  • B21D53/04 - of sheet metal
  • B21D53/08 - of both metal tubes and sheet metal
  • Y10T29/49378 - Finned tube

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working