1872689

Information

• Patent Grant
• 1872689

• References
• Source

• Patent Number

  1,872,689

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1932
  92 years ago

• CPC

  • F25D3/14 - portable
  • Y10S62/911 - Portable

• US Classifications

  • 062 - Refrigeration
  • 229 - Envelopes, wrappers, and paperboard boxes