3031351

Information

• Patent Grant
• 3031351

• References
• Source

• Patent Number

  3,031,351

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1962
  62 years ago

• CPC

  • B32B37/182 - one or more of the layers being plastic
  • B44F1/06 - produced by transmitted light
  • F21S48/1394 - Material, surface treatment or coating of the reflector
  • F21S48/145 - Details of the shape of screens, non-reflecting members, light-shielding members or fixed shades
  • F21S48/1789 - Rotating screens
  • F21V11/00 - Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
  • G02B5/20 - Filters
  • B32B2307/41 - Opaque
  • B32B2551/00 - Optical elements
  • F21W2101/02 - for land vehicles

• US Classifications

  • 250 - Radiant energy
  • 065 - Glass manufacturing
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 315 - Electric lamp and discharge devices: systems
  • 359 - Optical: systems and elements