3550322

Information

• Patent Grant
• 3550322

• References
• Source

• Patent Number

  3,550,322

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  54 years ago

• CPC

  • B24B9/12 - of hollow glassware
  • H01J9/244 - specially adapted for cathode ray tubes

• US Classifications

  • 451 - Abrading