1667319

Information

• Patent Grant
• 1667319

• References
• Source

• Patent Number

  1,667,319

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1928
  96 years ago

• CPC

  • F28F21/04 - of ceramic of concrete of natural stone
  • Y10S165/012 - Spray nozzle cleaner

• US Classifications

  • 165 - Heat exchange