2277806

Information

• Patent Grant
• 2277806

• References
• Source

• Patent Number

  2,277,806

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1942
  82 years ago

• CPC

  • H05B31/0039 - Projectors, the construction of which depends upon the presence of the arc

• US Classifications

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