2020032

Information

• Patent Grant
• 2020032

• References
• Source

• Patent Number

  2,020,032

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1935
  89 years ago

• CPC

  • C03B9/20 - in "vacuum blowing" or in "vacuum-and-blow" machines
  • C03B7/01 - Means for taking-off charges of molten glass
  • C03B7/22 - Gathering-devices in the form of rods or pipes

• US Classifications

  • 065 - Glass manufacturing