1757716

Information

• Patent Grant
• 1757716

• References
• Source

• Patent Number

  1,757,716

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1930
  94 years ago

• CPC

  • F26B21/001 - Drying-air generating units
  • F26B9/106 - the channels to be inserted into the stack

• US Classifications

  • 126 - Stoves and furnaces