1290495

Information

• Patent Grant
• 1290495

• References
• Source

• Patent Number

  1,290,495

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1919
  106 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
  • 340 - Communications: electrical