1631986

Information

• Patent Grant
• 1631986

• References
• Source

• Patent Number

  1,631,986

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1927
  97 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

  • 211 - Supports: racks
  • 040 - Card, picture, or sign exhibiting
  • 402 - Binder device releasably engaging aperture or notch of sheet