3733979

Information

• Patent Grant
• 3733979

• References
• Source

• Patent Number

  3,733,979

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

  • B41B17/04 - with a carrier for all characters in at least one fount
  • B41B21/16 - Optical systems

• US Classifications

  • 396 - Photography
  • 359 - Optical: systems and elements