3161387

Information

• Patent Grant
• 3161387

• References
• Source

• Patent Number

  3,161,387

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1964
  60 years ago

• CPC

  • B61L1/165 - Electrical
  • B61L1/10 - actuated by electromagnetic radiation actuated by particle radiation
  • B61L29/24 - Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching

• US Classifications

  • 246 - Railway switches and signals
  • 324 - Electricity: measuring and testing
  • 331 - Oscillators
  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices