3427143

Information

• Patent Grant
• 3427143

• References
• Source

• Patent Number

  3,427,143

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1969
  56 years ago

• CPC

  • C03B23/076 - Shrinking the glass tube on to a mandrel

• US Classifications

  • 065 - Glass manufacturing