1227770

Information

• Patent Grant
• 1227770

• References
• Source

• Patent Number

  1,227,770

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1917
  107 years ago

• CPC

  • F28F9/001 - Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
  • Y10S165/448 - Air conduits

• US Classifications

  • 165 - Heat exchange
  • D12 - Transportation