904467

Information

• Patent Grant
• 904467

• References
• Source

• Patent Number

  904,467

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1908
  116 years ago

• CPC

  • F24H6/00 - Combined water and air heaters
  • B60N3/14 - of electrically-heated lighters
  • B60Q3/06 - for lighting compartments other than passenger or driving space
  • B60Q3/065 - with provision for being portable
  • F21V33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
  • F23Q7/20 - with built-in mains transformer

• US Classifications

  • 219 - Electric heating