2899861

Information

• Patent Grant
• 2899861

• References
• Source

• Patent Number

  2,899,861

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1959
  65 years ago

• CPC

  • G02B25/002 - Magnifying glasses
  • B43L7/08 - with arrangements for attaching additional drawing equipment

• US Classifications

  • 359 - Optical: systems and elements
  • 033 - Geometrical instruments