1875676

Information

• Patent Grant
• 1875676

• References
• Source

• Patent Number

  1,875,676

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1932
  92 years ago

• CPC

  • G09F21/04 - by land vehicles
  • Y10S116/45 - Parallax

• US Classifications

  • 359 - Optical: systems and elements
  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators