3734161

Information

• Patent Grant
• 3734161

• References
• Source

• Patent Number

  3,734,161

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

  • E06B9/17 - Parts or details of roller shutters
  • E06B9/08 - Roll-type closures
  • E06B9/15 - with closing members formed of slats or the like
  • E06B9/17046 - Bottom bars
  • E06B9/17076 - Sealing or antirattling arrangements
  • E06B9/60 - Spring drums operated only by closure members
  • E06B2009/1527 - Transparent slats or transparent sections in slats
  • E06B2009/1572 - Locking means to prevent slat disengagement

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • D25 - Building units and construction elements