1634469

Information

• Patent Grant
• 1634469

• References
• Source

• Patent Number

  1,634,469

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1927
  97 years ago

• CPC

  • F21L19/00 - Lanterns
  • F21L27/00 - Lighting devices or systems, employing combinations of electric and non electric light sources Replacing or exchanging electric light sources with non-electric light sources or vice versa in lighting devices or systems

• US Classifications

  • 362 - Illumination