2492257

Information

• Patent Grant
• 2492257

• References
• Source

• Patent Number

  2,492,257

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1949
  75 years ago

• CPC

  • G01G23/362 - using electric contacts

• US Classifications

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