1979859

Information

• Patent Grant
• 1979859

• References
• Source

• Patent Number

  1,979,859

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1934
  90 years ago

• CPC

  • F28D7/0041 - the conduits for only one medium being tubes having parts touching each other or tubes assembled in panel form
  • F28F1/02 - Tubular elements of cross-section which is non-circular
  • Y10S165/442 - Conduits

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers
  • 248 - Supports