80324

Information

• Patent Grant
• 80324

• References
• Source

• Patent Number

  80,324

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1868
  156 years ago

• CPC

  • A45B3/12 - with telescopes
  • G02B23/12 - with means for image conversion or intensification

• US Classifications

  • 359 - Optical: systems and elements
  • 135 - Tent, canopy, umbrella, or cane