3836347

Information

• Patent Grant
• 3836347

• References
• Source

• Patent Number

  3,836,347

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1974
  50 years ago

• CPC

  • C03C21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
  • C03B37/023 - Fibres composed of different sorts of glass
  • C03B2201/30 - doped with metals
  • C03B2201/50 - doped with alkali metals
  • C03B2205/02 - Upward drawing

• US Classifications

  • 065 - Glass manufacturing
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 385 - Optical waveguides