3656446

Information

• Patent Grant
• 3656446

• References
• Source

• Patent Number

  3,656,446

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  53 years ago

• CPC

  • B65G7/06 - using fluid at high pressure supplied from an independent source to provide a cushion between load and ground
  • B60V3/025 - co-operating with a flat surface
  • B63B9/06 - Methods of building hulls
  • B63B35/40 - for transporting marine vessels
  • B63C3/08 - Tracks on slipways

• US Classifications

  • 114 - Ships
  • 405 - Hydraulic and earth engineering