408204

Information

• Patent Grant
• 408204

• References
• Source

• Patent Number

  408,204

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1889
  135 years ago

• CPC

  • A61N5/06 - using light
  • A61N2005/0657 - Natural light sources
  • A61N2005/0666 - for redirecting light to the treatment area

• US Classifications

  • 607 - Surgery: light, thermal, and electrical application
  • 004 - Baths, closets, sinks, and spittoons