3879862

Information

• Patent Grant
• 3879862

• References
• Source

• Patent Number

  3,879,862

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  49 years ago

• CPC

  • G09B27/06 - Celestial globes
  • G09B27/02 - Tellurions Orreries

• US Classifications

  • 434 - Education and demonstration