770233

Information

• Patent Grant
• 770233

• References
• Source

• Patent Number

  770,233

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1904
  120 years ago

• CPC

  • H01J17/32 - Igniting by associated radioactive materials or fillings

• US Classifications

  • 313 - Electric lamp and discharge devices