2029211

Information

• Patent Grant
• 2029211

• References
• Source

• Patent Number

  2,029,211

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1936
  89 years ago

• CPC

  • F21V9/08 - for producing coloured light
  • B61L9/04 - electric
  • F21V14/00 - Changing the characteristics or distribution of the light emitted by adjustment of parts or by interposition of elements with electrically controlled variable light transmissivity

• US Classifications

  • 340 - Communications: electrical
  • 313 - Electric lamp and discharge devices
  • 362 - Illumination