3142053

Information

• Patent Grant
• 3142053

• References
• Source

• Patent Number

  3,142,053

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1964
  61 years ago

• CPC

  • G08B5/32 - with indicator element moving rectilinearly

• US Classifications

  • 340 - Communications: electrical