3863456

Information

• Patent Grant
• 3863456

• References
• Source

• Patent Number

  3,863,456

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1975
  50 years ago

• CPC

  • E02B17/028 - Ice-structures

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 062 - Refrigeration