622539

Information

• Patent Grant
• 622539

• References
• Source

• Patent Number

  622,539

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1899
  126 years ago

• CPC

  • E04F10/0611 - with articulated arms supporting the movable end of the blind for deployment of the blind
  • Y10T292/282 - Multiple

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 292 - Closure fasteners