3817041

Information

• Patent Grant
• 3817041

• References
• Source

• Patent Number

  3,817,041

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • B63C3/08 - Tracks on slipways

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 472 - Amusement devices