1421746

Information

• Patent Grant
• 1421746

• References
• Source

• Patent Number

  1,421,746

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1922
  102 years ago

• CPC

  • E05D11/0027 - arranged on or near the hinge and comprising parts interlocking as the wing closes
  • E05D2011/0036 - near the hinge
  • E05Y2900/132 - Doors
  • Y10T16/559 - having prongs or cooperating structure on leaf
  • Y10T292/42 - Rigid engaging means

• US Classifications

  • 292 - Closure fasteners
  • 016 - Miscellaneous hardware