3868781

Information

• Patent Grant
• 3868781

• References
• Source

• Patent Number

  3,868,781

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  50 years ago

• CPC

  • G09B27/08 - Globes
  • G09B29/005 - Map projections or methods associated specifically therewith
  • G09B29/02 - sectional
  • Y10S52/10 - Polyhedron

• US Classifications

  • 434 - Education and demonstration
  • 052 - Static structures