3629963

Information

• Patent Grant
• 3629963

• References
• Source

• Patent Number

  3,629,963

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1971
  53 years ago

• CPC

  • B63G8/001 - Underwater vessels adapted for special purposes
  • B22F3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering Apparatus specially adapted therefor; Presses and furnaces
  • B63C1/12 - Docks adapted for special vessels
  • E02F3/76 - Graders, bulldozers, or the like with scraper plates or ploughshare-like elements Levelling scarifying devices
  • E02F5/006 - adapted for working ground under water not otherwise provided for

• US Classifications

  • 037 - Excavating
  • 172 - Earth working
  • 405 - Hydraulic and earth engineering