1815582

Information

• Patent Grant
• 1815582

• References
• Source

• Patent Number

  1,815,582

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1931
  93 years ago

• CPC

  • F21L19/003 - Fastening or lifting of the lamp glass
  • F21S19/00 - 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

• US Classifications

  • 362 - Illumination