2428644

Information

• Patent Grant
• 2428644

• References
• Source

• Patent Number

  2,428,644

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1947
  77 years ago

• CPC

  • E06B9/17015 - made of at most two pieces; Front opening details

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel