2490217

Information

• Patent Grant
• 2490217

• References
• Source

• Patent Number

  2,490,217

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1949
  75 years ago

• CPC

  • B63B43/20 - Feelers

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 116 - Signals and indicators
  • 340 - Communications: electrical