3753300

Information

• Patent Grant
• 3753300

• References
• Source

• Patent Number

  3,753,300

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1973
  51 years ago

• CPC

  • G09B27/02 - Tellurions Orreries
  • Y10T74/18408 - Cranks, slidable connections

• US Classifications

  • 434 - Education and demonstration
  • 074 - Machine element or mechanism
  • 353 - Optics: image projectors