2504982

Information

• Patent Grant
• 2504982

• References
• Source

• Patent Number

  2,504,982

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1950
  75 years ago

• CPC

  • G08B5/008 - Traffic signalling mirrors
  • G02B5/08 - Mirrors

• US Classifications

  • 116 - Signals and indicators
  • 356 - Optics: measuring and testing
  • D10 - Measuring, testing, or signalling instruments