1672520

Information

• Patent Grant
• 1672520

• References
• Source

• Patent Number

  1,672,520

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1928
  96 years ago

• CPC

  • E05D3/16 - with seven parallel pins and four arms
  • E05D2003/166 - Vertical pivot-axis
  • E05Y2600/41 - Concealed
  • E05Y2600/412 - in the rabbet
  • E05Y2900/132 - Doors
  • Y10T16/5474 - Connected by serially arranged pivoted links between hinged members

• US Classifications

  • 016 - Miscellaneous hardware