3722981

Information

• Patent Grant
• 3722981

• References
• Source

• Patent Number

  3,722,981

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  52 years ago

• CPC

  • C03C13/047 - containing deuterium
  • C03C3/12 - Silica-free oxide glass compositions
  • C03C3/23 - containing halogen and at least one oxide
  • C03C3/326 - containing beryllium
  • C03C13/04 - Fibre optics
  • G02B6/02 - Optical fibre with cladding with or without a coating

• US Classifications

  • 385 - Optical waveguides