1374936

Information

• Patent Grant
• 1374936

• References
• Source

• Patent Number

  1,374,936

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1921
  103 years ago

• CPC

  • B61K13/04 - Passenger-warning devices attached to vehicles Safety devices for preventing accidents to passengers when entering or leaving vehicles

• US Classifications

  • 246 - Railway switches and signals