441030

Information

• Patent Grant
• 441030

• References
• Source

• Patent Number

  441,030

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1890
  134 years ago

• CPC

  • A63H19/34 - Bridges Stations Signalling systems
  • Y10T70/7232 - Removable

• US Classifications

  • 246 - Railway switches and signals
  • 070 - Locks
  • 200 - Electricity: circuit makers and breakers