3853522

Information

• Patent Grant
• 3853522

• References
• Source

• Patent Number

  3,853,522

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  50 years ago

• CPC

  • C03B23/073 - Vacuum-blowing
  • C03B15/14 - Drawing tubes, cylinders, or rods from the melt
  • C03B17/04 - Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles
  • C03B23/055 - by rolling

• US Classifications

  • 065 - Glass manufacturing