3021688

Information

• Patent Grant
• 3021688

• References
• Source

• Patent Number

  3,021,688

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  63 years ago

• CPC

  • F25D23/123 - Butter compartment

• US Classifications

  • 062 - Refrigeration
  • 165 - Heat exchange