2223319

Information

• Patent Grant
• 2223319

• References
• Source

• Patent Number

  2,223,319

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1940
  84 years ago

• CPC

  • F28F9/0239 - floating header boxes
  • Y10S165/432 - including a tube sheet
  • Y10T292/218 - Screw against closure

• US Classifications

  • 165 - Heat exchange
  • 220 - Receptacles
  • 292 - Closure fasteners