1451166

Information

• Patent Grant
• 1451166

• References
• Source

• Patent Number

  1,451,166

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1923
  101 years ago

• CPC

  • B61L5/18 - Light signals Mechanisms associated therewith
  • F21S48/1131 - Colored light
  • F21V9/08 - for producing coloured light
  • G10K1/074 - with rotary clappers or shells

• US Classifications

  • 340 - Communications: electrical
  • 362 - Illumination