646823

Information

• Patent Grant
• 646823

• References
• Source

• Patent Number

  646,823

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1900
  124 years ago

• CPC

  • F21V9/16 - Selection of luminescent materials for screens
  • A47H11/04 - End attachment clips
  • Y10T16/508 - with flexible suspending means

• US Classifications

  • 016 - Miscellaneous hardware
  • 059 - Chain, staple, and horseshoe making