3778361

Information

• Patent Grant
• 3778361

• References
• Source

• Patent Number

  3,778,361

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1973
  51 years ago

• CPC

  • G03H1/30 - discrete holograms only
  • B29C71/04 - by wave energy or particle radiation
  • G02B1/12 - by surface treatment
  • B29C2035/0838 - using laser
  • B29K2033/12 - Polymers of methacrylic acid esters, e.g. PMMA
  • B29K2995/0026 - Transparent
  • B29K2995/0031 - Refractive
  • B29L2031/7432 - Gems
  • G03H2001/0482 - Interference based printer
  • G03H2001/0497 - Dot matrix holograms
  • G03H2224/06 - Thermal or photo-thermal means
  • G03H2240/24 - Index variations only
  • G03H2270/11 - Crystal or glass
  • G03H2270/14 - Plastic
  • Y10S522/913 - Numerically specified distinct wavelength

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 204 - Chemistry: electrical and wave energy
  • 250 - Radiant energy
  • 359 - Optical: systems and elements
  • 522 - Synthetic resins or natural rubbers