3587417

Information

• Patent Grant
• 3587417

• References
• Source

• Patent Number

  3,587,417

• Date Filed

  Not available

• Date Issued

  Monday, June 28, 1971
  53 years ago

• CPC

  • G03F7/2002 - with visible light or UV light, through an original having an opaque pattern on a transparent support
  • H01J9/2272 - Devices for carrying out the processes
  • H01J9/2274 - Light sources particularly adapted therefor

• US Classifications

  • 396 - Photography