3673846

Information

• Patent Grant
• 3673846

• References
• Source

• Patent Number

  3,673,846

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1972
  52 years ago

• CPC

  • F28F3/027 - with openings
  • B21D53/02 - heat exchangers or parts thereof
  • B21D53/025 - Louvered fins
  • B21D53/04 - of sheet metal

• US Classifications

  • 072 - Metal deforming