3438423

Information

• Patent Grant
• 3438423

• References
• Source

• Patent Number

  3,438,423

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1969
  55 years ago

• CPC

  • E06B9/70 - comprising an electric motor positioned outside the roller
  • A47H3/04 - Automatic cord clamps
  • A47H5/0325 - using electrical or electronical drive, detecting or controlling means
  • Y10T74/18832 - including flexible drive connector [e.g., belt, chain, strand, etc.]

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 074 - Machine element or mechanism
  • 226 - Advancing material of indeterminate length
  • 254 - Implements or apparatus for applying pushing or pulling force