3739832

Information

• Patent Grant
• 3739832

• References
• Source

• Patent Number

  3,739,832

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  52 years ago

• CPC

  • E06B9/60 - Spring drums operated only by closure members
  • E06B9/18 - Roll-type grilles
  • E06B9/70 - comprising an electric motor positioned outside the roller

• US Classifications

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