3517591

Information

• Patent Grant
• 3517591

• References
• Source

• Patent Number

  3,517,591

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  54 years ago

• CPC

  • B41B21/16 - Optical systems
  • B41B25/00 - Apparatus specially adapted for preparation of record carriers for controlling composing machines
  • B41B27/00 - Control, indicating, or safety devices or systems for composing machines of various kinds or types

• US Classifications

  • 396 - Photography