1666644

Information

• Patent Grant
• 1666644

• References
• Source

• Patent Number

  1,666,644

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1928
  97 years ago

• CPC

  • B67D7/86 - Illuminating arrangements

• US Classifications

  • 362 - Illumination
  • 116 - Signals and indicators