1221564

Information

• Patent Grant
• 1221564

• References
• Source

• Patent Number

  1,221,564

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1917
  108 years ago

• CPC

  • G03B21/58 - collapsible
  • Y10S160/10 - Roll screen

• US Classifications

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