3108771

Information

• Patent Grant
• 3108771

• References
• Source

• Patent Number

  3,108,771

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1963
  61 years ago

• CPC

  • B61L23/163 - using direct current
  • B61L23/12 - partly operated by train

• US Classifications

  • 246 - Railway switches and signals
  • 361 - Electricity: electrical systems and devices