2294137

Information

• Patent Grant
• 2294137

• References
• Source

• Patent Number

  2,294,137

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1942
  82 years ago

• CPC

  • F28F1/42 - the means being both outside and inside the tubular element
  • Y10S29/049 - Work hardening with other step
  • Y10T29/49805 - Shaping by direct application of fluent pressure

• US Classifications

  • 148 - Metal treatment
  • 029 - Metal working
  • 165 - Heat exchange