3907021

Information

• Patent Grant
• 3907021

• References
• Source

• Patent Number

  3,907,021

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • E05F7/005 - Aligning devices for wings
  • E05D15/26 - for folding wings
  • E05Y2900/132 - Doors
  • E05Y2900/146 - Shutters
  • Y10S292/39 - Dovetail door aligner
  • Y10T16/559 - having prongs or cooperating structure on leaf
  • Y10T16/95 - Miscellaneous element or attachment
  • Y10T292/0878 - Sliding
  • Y10T292/088 - Spring arm

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 016 - Miscellaneous hardware
  • 292 - Closure fasteners