3544960

Information

• Patent Grant
• 3544960

• References
• Source

• Patent Number

  3,544,960

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1970
  54 years ago

• CPC

  • B61L7/081 - Direct line wire control

• US Classifications

  • 246 - Railway switches and signals
  • 340 - Communications: electrical