3221200

Information

• Patent Grant
• 3221200

• References
• Source

• Patent Number

  3,221,200

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1965
  59 years ago

• CPC

  • H01K1/28 - Envelopes Vessels
  • F21S48/10 - Headlamps
  • F21S48/1145 - Type of light source
  • F21S48/1172 - having two or more filaments
  • F21S48/1181 - having a filament being arranged transversally to the optical axis of the headlamp
  • F21S48/1317 - Optical design
  • F21S48/1358 - the reflector consisting of patch like sectors
  • H01K1/40 - Leading-in conductors
  • H01K9/00 - Lamps having two or more incandescent bodies separately heated

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 362 - Illumination