1402258

Information

• Patent Grant
• 1402258

• References
• Source

• Patent Number

  1,402,258

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1922
  103 years ago

• CPC

  • B63B51/00 - Marking of navigation route
  • B63B2727/02 - Arrangements for the detection of icebergs, reefs, derelicts, or the like

• US Classifications

  • 340 - Communications: electrical