3004328

Information

• Patent Grant
• 3004328

• References
• Source

• Patent Number

  3,004,328

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1961
  63 years ago

• CPC

  • B21C37/24 - annularly-ribbed tubes
  • B23K1/0012 - Brazing heat exchangers
  • Y10T29/49378 - Finned tube

• US Classifications

  • 029 - Metal working
  • 165 - Heat exchange