3726656

Information

• Patent Grant
• 3726656

• References
• Source

• Patent Number

  3,726,656

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1973
  51 years ago

• CPC

  • C03C25/107 - with inorganic coatings
  • C03B15/16 - Drawing tubes, cylinders or rods, coated with coloured layers
  • C03B37/01274 - by extrusion or drawing
  • C03C13/04 - Fibre optics
  • C03C13/045 - Silica-containing oxide glass compositions
  • C03C17/02 - with glass
  • C03B2201/10 - doped with boron
  • C03B2201/30 - doped with metals
  • C03B2201/32 - doped with aluminium
  • C03B2201/34 - doped with rare earth metals, i.e. with Sc, Y or lanthanides
  • C03B2201/40 - doped with transition metals other than rare earth metals
  • C03B2201/42 - doped with titanium
  • C03B2201/50 - doped with alkali metals
  • C03B2201/54 - doped with beryllium, magnesium or alkaline earth metals
  • C03B2205/02 - Upward drawing
  • Y10T428/2964 - Artificial fiber or filament

• US Classifications

  • 065 - Glass manufacturing
  • 385 - Optical waveguides
  • 428 - Stock material or miscellaneous articles