2574760

Information

• Patent Grant
• 2574760

• References
• Source

• Patent Number

  2,574,760

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1951
  73 years ago

• CPC

  • E06B3/925 - with several wings opening vertically towards the same side of the opening and each closing a separate part of the opening
  • Y10T74/1884 - with sprocket wheel

• US Classifications

  • 074 - Machine element or mechanism
  • 160 - Flexible or portable closure, partition, or panel
  • 192 - Clutches and power-stop control