1494490

Information

• Patent Grant
• 1494490

• References
• Source

• Patent Number

  1,494,490

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1924
  100 years ago

• CPC

  • B60Q1/14 - having dimming means
  • F21S48/1305 - Attachment of reflectors
  • F21S48/1311 - specially adapted to extension reflectors
  • F21S48/1388 - Combination of two or more reflectors
  • F21V11/00 - Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
  • F21W2101/02 - for land vehicles

• US Classifications

  • 362 - Illumination