2486221

Information

• Patent Grant
• 2486221

• References
• Source

• Patent Number

  2,486,221

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1949
  75 years ago

• CPC

  • B66C7/14 - Runway interlocking devices

• US Classifications

  • 104 - Railways
  • 191 - Electricity: transmission to vehicles