3620284

Information

• Patent Grant
• 3620284

• References
• Source

• Patent Number

  3,620,284

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • A47H5/02 - Devices for opening and closing curtains
  • A47H5/0325 - using electrical or electronical drive, detecting or controlling means
  • A47H2001/045 - being curved

• US Classifications

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