3894441

Information

• Patent Grant
• 3894441

• References
• Source

• Patent Number

  3,894,441

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1975
  49 years ago

• CPC

  • A47H3/08 - Cord-tensioning devices for curtains with two cords
  • F16H7/1263 - where the axis of the pulley moves along a substantially straight path
  • F16H2007/088 - Manual adjustment

• US Classifications

  • 474 - Endless belt power transmission systems or components
  • 267 - Spring devices