2236557

Information

• Patent Grant
• 2236557

• References
• Source

• Patent Number

  2,236,557

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1941
  83 years ago

• CPC

  • A47B88/0022 - connecting first side panel to bottom panel, back panel to bottom panel and second side panel to bottom by three folding lines
  • A47B2220/0086 - made of cardboard

• US Classifications

  • 312 - Supports: cabinet structure
  • 229 - Envelopes, wrappers, and paperboard boxes