3453426

Information

• Patent Grant
• 3453426

• References
• Source

• Patent Number

  3,453,426

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1969
  55 years ago

• CPC

  • B61L7/068 - Protection against eddy-currents, short-circuits, or the like, for electric safety arrangements
  • B61L5/062 - Wiring diagrams

• US Classifications

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