3802767

Information

• Patent Grant
• 3802767

• References
• Source

• Patent Number

  3,802,767

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  50 years ago

• CPC

  • G02B17/0668 - having non-imaging properties
  • G02B19/0028 - refractive and reflective surfaces
  • G02B19/0047 - for use with a light source

• US Classifications

  • 359 - Optical: systems and elements
  • 376 - Induced nuclear reactions: processes, systems, and elements