9690

Information

• Patent Grant
• 9690

• References
• Source

• Patent Number

  9,690

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1853
  172 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
  • 126 - Stoves and furnaces