3485613

Information

• Patent Grant
• 3485613

• References
• Source

• Patent Number

  3,485,613

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1969
  54 years ago

• CPC

  • C03B37/0124 - Means for reducing the diameter of rods or tubes by drawing
  • C03B19/04 - by centrifuging
  • C03B19/09 - by fusing powdered glass in a shaping mould
  • C03B23/057 - by fusing
  • C03B37/01228 - Removal of preform material
  • C03B37/01271 - by centrifuging
  • C03B37/01288 - by extrusion
  • C03B37/01297 - by melting glass powder in a mould
  • C03B2201/34 - doped with rare earth metals, i.e. with Sc, Y or lanthanides
  • C03B2201/36 - doped with rare earth metals and aluminium
  • C03B2201/40 - doped with transition metals other than rare earth metals
  • C03B2201/54 - doped with beryllium, magnesium or alkaline earth metals

• US Classifications

  • 065 - Glass manufacturing