1710408

Information

• Patent Grant
• 1710408

• References
• Source

• Patent Number

  1,710,408

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1929
  95 years ago

• CPC

  • B61L29/284 - using rail-contacts, rail microphones, or the like, controlled by the vehicle
  • B61L1/04 - mechanically actuated by a part of the vehicle

• US Classifications

  • 246 - Railway switches and signals