3644030

Information

• Patent Grant
• 3644030

• References
• Source

• Patent Number

  3,644,030

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  53 years ago

• CPC

  • G03B21/28 - Reflectors in projection beam
  • G03B21/20 - Lamp houses
  • G03B21/2006 - characterised by the light source
  • G03B21/60 - characterised by the nature of the surface
  • Y10S353/06 - Head accessories

• US Classifications

  • 353 - Optics: image projectors