2166871

Information

• Patent Grant
• 2166871

• References
• Source

• Patent Number

  2,166,871

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1939
  85 years ago

• CPC

  • C03B21/06 - by flashing-off, burning-off or fusing
  • C03B9/28 - in machines of the endless-chain type
  • C03B15/14 - Drawing tubes, cylinders, or rods from the melt
  • C03B23/092 - by pressing

• US Classifications

  • 065 - Glass manufacturing