2780446

Information

• Patent Grant
• 2780446

• References
• Source

• Patent Number

  2,780,446

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1957
  67 years ago

• CPC

  • F28F1/08 - Tubular elements crimped or corrugated in longitudinal section
  • Y10S165/405 - Extending in a longitudinal direction

• US Classifications

  • 165 - Heat exchange