1648459

Information

• Patent Grant
• 1648459

• References
• Source

• Patent Number

  1,648,459

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1927
  97 years ago

• CPC

  • E01F9/547 - illuminated

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 174 - Electricity: conductors and insulators
  • 362 - Illumination