2347845

Information

• Patent Grant
• 2347845

• References
• Source

• Patent Number

  2,347,845

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1944
  80 years ago

• CPC

  • E04F10/0659 - Control systems therefor
  • E04F10/0648 - acting on the roller tube
  • E04F10/0685 - Covers or housings for the rolled-up blind
  • E06B9/70 - comprising an electric motor positioned outside the roller
  • E06B9/84 - against dropping
  • E06B2009/6818 - using sensors
  • E06B2009/6827 - sensing light
  • E06B2009/6863 - sensing wind speed

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 049 - Movable or removable closures
  • 318 - Electricity: motive power systems