3869011

Information

• Patent Grant
• 3869011

• References
• Source

• Patent Number

  3,869,011

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  49 years ago

• CPC

  • A61G5/061 - for climbing stairs
  • A61G5/066 - with endless belts
  • B62B9/02 - providing for travelling up or down a flight of stairs
  • B62D55/075 - Tracked vehicles for ascending or descending stairs, steep slopes or vertical surfaces
  • B62B2301/256 - by using endless belts

• US Classifications

  • 180 - Motor vehicles
  • 280 - Land vehicles