3807180

Information

• Patent Grant
• 3807180

• References
• Source

• Patent Number

  3,807,180

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  51 years ago

• CPC

  • B63B35/10 - having forced pitching or rolling equipment
  • E02B15/02 - from ice otherwise than according to E02B1/003

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 114 - Ships
  • 299 - Mining or in situ disintegration of hard material