1785950

Information

• Patent Grant
• 1785950

• References
• Source

• Patent Number

  1,785,950

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1930
  94 years ago

• CPC

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

• US Classifications

  • 431 - Combustion
  • 314 - Electric lamp and discharge devices: consumable electrodes
  • 362 - Illumination