1799856

Information

• Patent Grant
• 1799856

• References
• Source

• Patent Number

  1,799,856

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1931
  93 years ago

• CPC

  • F28F21/04 - of ceramic of concrete of natural stone
  • Y10S165/033 - with flow control device

• US Classifications

  • 165 - Heat exchange