2873855

Information

• Patent Grant
• 2873855

• References
• Source

• Patent Number

  2,873,855

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1959
  67 years ago

• CPC

  • G11C19/202 - with vacuum tubes

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 065 - Glass manufacturing
  • 315 - Electric lamp and discharge devices: systems