3819217

Information

• Patent Grant
• 3819217

• References
• Source

• Patent Number

  3,819,217

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • E06B9/86 - against unauthorised opening
  • E06B2009/802 - located in or close to shutter box
  • Y10T292/76 - Blind-slat holders

• US Classifications

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