1660534

Information

• Patent Grant
• 1660534

• References
• Source

• Patent Number

  1,660,534

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1928
  96 years ago

• CPC

  • F21L23/00 - Non-electric hand-lamps for miners
  • F23D3/08 - characterised by shape, construction, or material, of wick

• US Classifications

  • 362 - Illumination