3758649

Information

• Patent Grant
• 3758649

• References
• Source

• Patent Number

  3,758,649

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1973
  51 years ago

• CPC

  • B29D11/0074 - Production of other optical elements not provided for in B29D11/00009- B29D11/0073
  • B29C59/04 - using rollers or endless belts
  • B44B5/028 - Heated dies
  • G03H1/028 - by embossing
  • B29L2031/7224 - Holograms
  • G03H2250/12 - Special arrangement of layers
  • G03H2270/23 - Ribbon shaped
  • G03H2270/52 - Integrated surface relief hologram without forming layer
  • Y10S359/90 - Methods

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 359 - Optical: systems and elements