1038117

Information

• Patent Grant
• 1038117

• References
• Source

• Patent Number

  1,038,117

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1912
  113 years ago

• CPC

  • G08B5/32 - with indicator element moving rectilinearly

• US Classifications

  • 340 - Communications: electrical