442534

Information

• Patent Grant
• 442534

• References
• Source

• Patent Number

  442,534

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1890
  133 years ago

• CPC

  • F23Q2/24 - ignition pills or strips with inflammable parts
  • F21L21/00 - Non-electric pocket lamps

• US Classifications

  • 431 - Combustion