2991591

Information

• Patent Grant
• 2991591

• References
• Source

• Patent Number

  2,991,591

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1961
  64 years ago

• CPC

  • C03B27/065 - Stresses
  • C03B27/06 - for glass products other than flat or bent glass plates

• US Classifications

  • 065 - Glass manufacturing