3464331

Information

• Patent Grant
• 3464331

• References
• Source

• Patent Number

  3,464,331

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1969
  55 years ago

• CPC

  • G02B27/144 - using partially transparent surfaces without spectral selectivity
  • B41B17/06 - with an adjustable carrier
  • B41B21/16 - Optical systems
  • B41B27/00 - Control, indicating, or safety devices or systems for composing machines of various kinds or types
  • G02B27/145 - having sequential partially reflecting surfaces

• US Classifications

  • 396 - Photography