1787678

Information

• Patent Grant
• 1787678

• References
• Source

• Patent Number

  1,787,678

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1931
  94 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

  • 040 - Card, picture, or sign exhibiting