1321052

Information

• Patent Grant
• 1321052

• References
• Source

• Patent Number

  1,321,052

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1919
  105 years ago

• CPC

  • F28D1/0358 - the conduits being formed by bent plates
  • Y10S165/377 - Spacing projections formed by folded sheet portions

• US Classifications

  • 165 - Heat exchange
  • 180 - Motor vehicles