1591211

Information

• Patent Grant
• 1591211

• References
• Source

• Patent Number

  1,591,211

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1926
  98 years ago

• CPC

  • F21S10/00 - Lighting devices or systems producing a varying lighting effect
  • H05B31/36 - having two electrodes in line
  • F21V11/10 - of iris type
  • F21W2131/406 - for theatres, stages or film studios

• US Classifications

  • 362 - Illumination