3668885

Information

• Patent Grant
• 3668885

• References
• Source

• Patent Number

  3,668,885

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • E01C13/105 - of artificially refrigerated rinks or runs
  • F25C3/02 - for ice rinks
  • F25D17/06 - by forced circulation

• US Classifications

  • 062 - Refrigeration