2699834

Information

• Patent Grant
• 2699834

• References
• Source

• Patent Number

  2,699,834

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1955
  70 years ago

• CPC

  • G01S11/12 - using electromagnetic waves other than radio waves
  • B60Q9/008 - for anti-collision purposes
  • Y10S246/01 - Radiant energy devices

• US Classifications

  • 180 - Motor vehicles
  • 246 - Railway switches and signals
  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems
  • 359 - Optical: systems and elements