2428975

Information

• Patent Grant
• 2428975

• References
• Source

• Patent Number

  2,428,975

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1947
  77 years ago

• CPC

  • A61B1/247 - with means for viewing areas outside the direct line of sight
  • A61B1/00032 - internally powered
  • A61B1/07 - using light-conductive means
  • A61C1/088 - Illuminating devices or attachments
  • Y10S116/26 - Light rod

• US Classifications

  • 362 - Illumination
  • 116 - Signals and indicators
  • 359 - Optical: systems and elements
  • 385 - Optical waveguides