3639113

Information

• Patent Grant
• 3639113

• References
• Source

• Patent Number

  3,639,113

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  53 years ago

• CPC

  • H01B1/08 - oxides
  • C03C13/003 - Conducting or semi-conducting fibres
  • C03C25/00 - Surface treatment of fibres or filaments from glass, minerals, or slags
  • C03C25/002 - by thermal treatment
  • H02K3/40 - for high voltage

• US Classifications

  • 065 - Glass manufacturing
  • 501 - Compositions: ceramic