3657766

Information

• Patent Grant
• 3657766

• References
• Source

• Patent Number

  3,657,766

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • E05D3/022 - allowing an additional lateral movement
  • E05D3/18 - with sliding pins or guides
  • E05D7/081 - the pivot axis of the wing being situated near one edge of the wing, especially at the top and bottom
  • E05D11/1014 - for maintaining the hinge in only one position
  • E05F1/14 - with double-acting springs
  • E05D15/54 - for opening both inwards and outwards
  • E05Y2900/132 - Doors
  • Y10T16/53822 - Helical spring transverse to hinge axis

• US Classifications

  • 016 - Miscellaneous hardware