3737653

Information

• Patent Grant
• 3737653

• References
• Source

• Patent Number

  3,737,653

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1973
  51 years ago

• CPC

  • F21V7/07 - with hyperbolic curvature
  • F21S48/145 - Details of the shape of screens, non-reflecting members, light-shielding members or fixed shades

• US Classifications

  • 362 - Illumination