3744429

Information

• Patent Grant
• 3744429

• References
• Source

• Patent Number

  3,744,429

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1973
  51 years ago

• CPC

  • B60V3/04 - co-operating with rails or other guiding means
  • H03F3/54 - Amplifiers using transit-time effect in tubes or semiconductor devices

• US Classifications

  • 104 - Railways
  • 180 - Motor vehicles