1641301

Information

• Patent Grant
• 1641301

• References
• Source

• Patent Number

  1,641,301

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1927
  97 years ago

• CPC

  • F21V29/00 - Protecting lighting devices from thermal damage Cooling or heating arrangements specially adapted for lighting devices or systems
  • H05B31/04 - Housings

• US Classifications

  • 362 - Illumination