1618279

Information

• Patent Grant
• 1618279

• References
• Source

• Patent Number

  1,618,279

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1927
  99 years ago

• CPC

  • F28F1/128 - Fins with openings
  • Y10S165/385 - Bent sheet forming a single tube
  • Y10T29/49922 - by bending over projecting prongs
  • Y10T428/12368 - Struck-out portion type

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working
  • 428 - Stock material or miscellaneous articles