1721149

Information

• Patent Grant
• 1721149

• References
• Source

• Patent Number

  1,721,149

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1929
  95 years ago

• CPC

  • F28D1/03 - with plate-like or laminated conduits
  • Y10S165/335 - Plural air draft passages enclosed by casing

• US Classifications

  • 165 - Heat exchange