3834812

Information

• Patent Grant
• 3834812

• References
• Source

• Patent Number

  3,834,812

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • G03B15/003 - Apparatus for photographing CRT-screens
  • G01R13/204 - Using means for generating permanent registrations
  • G03B17/24 - with means for separately producing marks on the film

• US Classifications

  • 355 - Photocopying
  • 396 - Photography