3687742

Information

• Patent Grant
• 3687742

• References
• Source

• Patent Number

  3,687,742

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • H01F1/14783 - with insulating coating
  • C03C3/16 - containing phosphorus
  • C03C4/00 - Compositions for glass with special properties
  • C23D5/02 - by wet methods
  • C23D11/00 - Continuous processes Apparatus therefor

• US Classifications

  • 148 - Metal treatment