3213275

Information

• Patent Grant
• 3213275

• References
• Source

• Patent Number

  3,213,275

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1965
  59 years ago

• CPC

  • B61L7/088 - Common line wire control using series of coded pulses

• US Classifications

  • 246 - Railway switches and signals