3820122

Information

• Patent Grant
• 3820122

• References
• Source

• Patent Number

  3,820,122

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • B41B17/10 - with a continuously-movable carrier
  • B41B21/16 - Optical systems
  • B41B21/18 - defining a single optical path
  • B41B21/34 - with positioning mechanisms
  • B41B27/00 - Control, indicating, or safety devices or systems for composing machines of various kinds or types

• US Classifications

  • 396 - Photography