2197866

Information

• Patent Grant
• 2197866

• References
• Source

• Patent Number

  2,197,866

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1940
  84 years ago

• CPC

  • F21V37/0029 - mineral
  • F21V37/00 - Details of lighting devices employing combustion as light source, not otherwise provided for Night lamps Votive lamps

• US Classifications

  • 431 - Combustion
  • 057 - Textiles: spinning, twisting, and twining