2154842

Information

• Patent Grant
• 2154842

• References
• Source

• Patent Number

  2,154,842

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1939
  85 years ago

• CPC

  • F21S48/145 - Details of the shape of screens, non-reflecting members, light-shielding members or fixed shades
  • B60Q1/2615 - mounted on the vehicle body
  • F21S48/10 - Headlamps
  • F21S48/1145 - Type of light source
  • F21S48/1177 - characterised by the shape of the filament
  • F21S48/1181 - having a filament being arranged transversally to the optical axis of the headlamp
  • F21S48/1258 - Lenses with a circular or truncated circular outline, when seen from the front
  • F21S48/1317 - Optical design
  • F21S48/1323 - the reflector being a surface of revolution or a planar surface

• US Classifications

  • 362 - Illumination