3678819

Information

• Patent Grant
• 3678819

• References
• Source

• Patent Number

  3,678,819

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1972
  52 years ago

• CPC

  • B41B17/12 - with means for moving the optical path for photographing characters
  • B41B17/10 - with a continuously-movable carrier
  • B41B17/32 - on a flat disc
  • B41B21/16 - Optical systems

• US Classifications

  • 396 - Photography
  • 359 - Optical: systems and elements