2964427

Information

• Patent Grant
• 2964427

• References
• Source

• Patent Number

  2,964,427

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1960
  64 years ago

• CPC

  • G03C7/06 - Manufacture of colour screens
  • A61F9/022 - Use of special optical filters
  • C03C17/245 - by deposition from the vapour phase
  • C23C14/08 - Oxides
  • G02B5/208 - for use with infra-red or ultraviolet radiation
  • C03C2217/23 - Mixtures
  • C03C2218/151 - by vacuum evaporation

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 063 - Jewelry
  • 204 - Chemistry: electrical and wave energy
  • 252 - Compositions
  • 351 - Optics: eye examining, vision testing and correcting
  • 359 - Optical: systems and elements