3057309

Information

• Patent Grant
• 3057309

• References
• Source

• Patent Number

  3,057,309

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1962
  62 years ago

• CPC

  • F23H7/00 - Inclined or stepped grates
  • F23G5/002 - characterised by their grates
  • F23G5/50 - Control or safety arrangements
  • F23H7/10 - rocking about their axes
  • F23K3/06 - for shaft-type furnaces
  • Y10T137/86421 - Variable
  • Y10T137/86622 - Motor-operated
  • Y10T137/87201 - Common to plural valve motor chambers

• US Classifications

  • 110 - Furnaces
  • 091 - Motors: expansible chamber type
  • 126 - Stoves and furnaces
  • 137 - Fluid handling