3681040

Information

• Patent Grant
• 3681040

• References
• Source

• Patent Number

  3,681,040

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • C03B27/03 - the liquid being a molten metal or a molten salt
  • C03B18/14 - Changing the surface of the glass ribbon
  • C03C21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface

• US Classifications

  • 065 - Glass manufacturing