880020

Information

• Patent Grant
• 880020

• References
• Source

• Patent Number

  880,020

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1908
  117 years ago

• CPC

  • G08B13/126 - for a housing
  • Y10S200/12 - Burglar screens

• US Classifications

  • 109 - Safes, bank protection, or a related device
  • 200 - Electricity: circuit makers and breakers