260933

Information

• Patent Grant
• 260933

• References
• Source

• Patent Number

  260,933

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1882
  143 years ago

• CPC

  • F21V9/00 - Light filters Selection of luminescent materials for light screens
  • Y10S470/905 - Wire coil insert

• US Classifications

  • 362 - Illumination
  • 470 - Threaded, headed fastener, or washer making: process and apparatus