990879

Information

• Patent Grant
• 990879

• References
• Source

• Patent Number

  990,879

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1911
  113 years ago

• CPC

  • H01J13/42 - Igniting by movement of vessel as a whole

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices