3035167

Information

• Patent Grant
• 3035167

• References
• Source

• Patent Number

  3,035,167

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1962
  63 years ago

• CPC

  • B61L1/187 - Use of alternating current
  • B61L29/226 - using track-circuits, closed or short-circuited by train or using isolated rail-sections

• US Classifications

  • 246 - Railway switches and signals
  • 330 - Amplifiers
  • 331 - Oscillators