2927245

Information

• Patent Grant
• 2927245

• References
• Source

• Patent Number

  2,927,245

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1960
  65 years ago

• CPC

  • B60Q1/14 - having dimming means
  • B60J3/0291 - Preventing dazzlement during driving in the dark
  • C07F9/53 - Organo-phosphine oxides Organo-phosphine thioxides
  • F21S48/114 - Polarized light
  • F21V9/14 - for producing polarised light

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 359 - Optical: systems and elements