1434191

Information

• Patent Grant
• 1434191

• References
• Source

• Patent Number

  1,434,191

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1922
  102 years ago

• CPC

  • B61L9/04 - electric
  • F21S48/1216 - specially adapted to projection lenses
  • F21S48/155 - Attachment thereof

• US Classifications

  • 362 - Illumination