2834689

Information

• Patent Grant
• 2834689

• References
• Source

• Patent Number

  2,834,689

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1958
  66 years ago

• CPC

  • G02B5/226 - Glass filters
  • C03C3/321 - Chalcogenide glasses
  • C03C17/3452 - comprising a fluoride
  • C03C17/347 - comprising a sulfide or oxysulfide
  • C03C17/3494 - comprising other salts
  • Y10S65/16 - Optical filament or fiber treatment with fluorine or incorporating fluorine in final product
  • Y10T428/2495 - Thickness [relative or absolute]
  • Y10T428/261 - In terms of molecular thickness or light wave length

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 065 - Glass manufacturing
  • 359 - Optical: systems and elements
  • 427 - Coating processes