3220818

Information

• Patent Grant
• 3220818

• References
• Source

• Patent Number

  3,220,818

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1965
  59 years ago

• CPC

  • C03B23/0315 - and supported on the lower edge
  • C03B35/205 - the glass sheets being in a vertical position

• US Classifications

  • 065 - Glass manufacturing
  • 269 - Work holders