3821753

Information

• Patent Grant
• 3821753

• References
• Source

• Patent Number

  3,821,753

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • B41B21/16 - Optical systems
  • B41B17/10 - with a continuously-movable carrier
  • B41B21/28 - with means for fount selection

• US Classifications

  • 396 - Photography