1718256

Information

• Patent Grant
• 1718256

• References
• Source

• Patent Number

  1,718,256

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1929
  95 years ago

• CPC

  • F21S48/1347 - with continuity at the junction between adjacent areas

• US Classifications

  • 362 - Illumination