1554113

Information

• Patent Grant
• 1554113

• References
• Source

• Patent Number

  1,554,113

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1925
  99 years ago

• CPC

  • B61L3/004 - Memory means reproducing during the running of the vehicle or vehicle train

• US Classifications

  • 246 - Railway switches and signals