3777834

Information

• Patent Grant
• 3777834

• References
• Source

• Patent Number

  3,777,834

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1973
  50 years ago

• CPC

  • B63B59/10 - using trolleys or the like driven along the surface
  • B23K37/0264 - magnetically attached to the workpiece
  • B60L13/04 - Magnetic suspension or levitation for vehicles
  • B61C15/04 - by controlling wheel pressure
  • B62D55/265 - having magnetic or pneumatic adhesion
  • H01F7/20 - without armatures
  • Y02T30/10 - Energy recovery technologies concerning the propulsion system in locomotives or motor railcars
  • Y10S180/901 - Devices for traversing vertical surfaces

• US Classifications

  • 180 - Motor vehicles
  • 114 - Ships
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 451 - Abrading
  • D12 - Transportation